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<body>
<h1 class="title toc-ignore">An Introduction to merTools</h1>
<h4 class="author">Jared Knowles and Carl Frederick</h4>
<h4 class="date">2020-06-22</h4>
<div id="introduction" class="section level2">
<h2>Introduction</h2>
<p>Working with generalized linear mixed models (GLMM) and linear mixed models (LMM) has become increasingly easy with the advances in the <code>lme4</code> package recently. As we have found ourselves using these models more and more within our work, we, the authors, have developed a set of tools for simplifying and speeding up common tasks for interacting with <code>merMod</code> objects from <code>lme4</code>. This package provides those tools.</p>
</div>
<div id="illustrating-model-effects" class="section level2">
<h2>Illustrating Model Effects</h2>
<p>As the complexity of the model fit grows, it becomes harder and harder to interpret the substantive effect of parameters in the model.</p>
<p>Let’s start with a medium-sized example model using the <code>InstEval</code> data provided by the <code>lme4</code> package. These data represent university lecture evaluations at ETH Zurich made by students. In this data, <code>s</code> is an individual student, <code>d</code> is an individual lecturer, <code>studage</code> is the semester the student is enrolled, <code>lectage</code> is how many semesters back the lecture with the rating took place, <code>dept</code> is the department of the lecture, and <code>y</code> is an integer 1:5 representing the ratings of the lecture from “poor” to “very good”:</p>
<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="kw">library</span>(lme4)</a>
<a class="sourceLine" id="cb1-2" title="2"><span class="kw">head</span>(InstEval)</a>
<a class="sourceLine" id="cb1-3" title="3"><span class="co">#> s d studage lectage service dept y</span></a>
<a class="sourceLine" id="cb1-4" title="4"><span class="co">#> 1 1 1002 2 2 0 2 5</span></a>
<a class="sourceLine" id="cb1-5" title="5"><span class="co">#> 2 1 1050 2 1 1 6 2</span></a>
<a class="sourceLine" id="cb1-6" title="6"><span class="co">#> 3 1 1582 2 2 0 2 5</span></a>
<a class="sourceLine" id="cb1-7" title="7"><span class="co">#> 4 1 2050 2 2 1 3 3</span></a>
<a class="sourceLine" id="cb1-8" title="8"><span class="co">#> 5 2 115 2 1 0 5 2</span></a>
<a class="sourceLine" id="cb1-9" title="9"><span class="co">#> 6 2 756 2 1 0 5 4</span></a>
<a class="sourceLine" id="cb1-10" title="10"><span class="kw">str</span>(InstEval)</a>
<a class="sourceLine" id="cb1-11" title="11"><span class="co">#> 'data.frame': 73421 obs. of 7 variables:</span></a>
<a class="sourceLine" id="cb1-12" title="12"><span class="co">#> $ s : Factor w/ 2972 levels "1","2","3","4",..: 1 1 1 1 2 2 3 3 3 3 ...</span></a>
<a class="sourceLine" id="cb1-13" title="13"><span class="co">#> $ d : Factor w/ 1128 levels "1","6","7","8",..: 525 560 832 1068 62 406 3 6 19 75 ...</span></a>
<a class="sourceLine" id="cb1-14" title="14"><span class="co">#> $ studage: Ord.factor w/ 4 levels "2"<"4"<"6"<"8": 1 1 1 1 1 1 1 1 1 1 ...</span></a>
<a class="sourceLine" id="cb1-15" title="15"><span class="co">#> $ lectage: Ord.factor w/ 6 levels "1"<"2"<"3"<"4"<..: 2 1 2 2 1 1 1 1 1 1 ...</span></a>
<a class="sourceLine" id="cb1-16" title="16"><span class="co">#> $ service: Factor w/ 2 levels "0","1": 1 2 1 2 1 1 2 1 1 1 ...</span></a>
<a class="sourceLine" id="cb1-17" title="17"><span class="co">#> $ dept : Factor w/ 14 levels "15","5","10",..: 14 5 14 12 2 2 13 3 3 3 ...</span></a>
<a class="sourceLine" id="cb1-18" title="18"><span class="co">#> $ y : int 5 2 5 3 2 4 4 5 5 4 ...</span></a></code></pre></div>
<p>Starting with a simple model:</p>
<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1">m1 <-<span class="st"> </span><span class="kw">lmer</span>(y <span class="op">~</span><span class="st"> </span>service <span class="op">+</span><span class="st"> </span>lectage <span class="op">+</span><span class="st"> </span>studage <span class="op">+</span><span class="st"> </span>(<span class="dv">1</span><span class="op">|</span>d) <span class="op">+</span><span class="st"> </span>(<span class="dv">1</span><span class="op">|</span>s), <span class="dt">data=</span>InstEval)</a></code></pre></div>
<p>After fitting the model we can make use of the first function provided by <code>merTools</code>, <code>fastdisp</code> which modifies the function <code>arm:::display</code> to more quickly display a summary of the model without calculating the model sigma:</p>
<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" title="1"><span class="kw">library</span>(merTools)</a>
<a class="sourceLine" id="cb3-2" title="2"><span class="kw">fastdisp</span>(m1)</a>
<a class="sourceLine" id="cb3-3" title="3"><span class="co">#> lmer(formula = y ~ service + lectage + studage + (1 | d) + (1 | </span></a>
<a class="sourceLine" id="cb3-4" title="4"><span class="co">#> s), data = InstEval)</span></a>
<a class="sourceLine" id="cb3-5" title="5"><span class="co">#> coef.est coef.se</span></a>
<a class="sourceLine" id="cb3-6" title="6"><span class="co">#> (Intercept) 3.22 0.02 </span></a>
<a class="sourceLine" id="cb3-7" title="7"><span class="co">#> service1 -0.07 0.01 </span></a>
<a class="sourceLine" id="cb3-8" title="8"><span class="co">#> lectage.L -0.19 0.02 </span></a>
<a class="sourceLine" id="cb3-9" title="9"><span class="co">#> lectage.Q 0.02 0.01 </span></a>
<a class="sourceLine" id="cb3-10" title="10"><span class="co">#> lectage.C -0.02 0.01 </span></a>
<a class="sourceLine" id="cb3-11" title="11"><span class="co">#> lectage^4 -0.02 0.01 </span></a>
<a class="sourceLine" id="cb3-12" title="12"><span class="co">#> lectage^5 -0.04 0.02 </span></a>
<a class="sourceLine" id="cb3-13" title="13"><span class="co">#> studage.L 0.10 0.02 </span></a>
<a class="sourceLine" id="cb3-14" title="14"><span class="co">#> studage.Q 0.01 0.02 </span></a>
<a class="sourceLine" id="cb3-15" title="15"><span class="co">#> studage.C 0.02 0.02 </span></a>
<a class="sourceLine" id="cb3-16" title="16"><span class="co">#> </span></a>
<a class="sourceLine" id="cb3-17" title="17"><span class="co">#> Error terms:</span></a>
<a class="sourceLine" id="cb3-18" title="18"><span class="co">#> Groups Name Std.Dev.</span></a>
<a class="sourceLine" id="cb3-19" title="19"><span class="co">#> s (Intercept) 0.33 </span></a>
<a class="sourceLine" id="cb3-20" title="20"><span class="co">#> d (Intercept) 0.52 </span></a>
<a class="sourceLine" id="cb3-21" title="21"><span class="co">#> Residual 1.18 </span></a>
<a class="sourceLine" id="cb3-22" title="22"><span class="co">#> ---</span></a>
<a class="sourceLine" id="cb3-23" title="23"><span class="co">#> number of obs: 73421, groups: s, 2972; d, 1128</span></a>
<a class="sourceLine" id="cb3-24" title="24"><span class="co">#> AIC = 237655</span></a></code></pre></div>
<p>We see some interesting effects. First, our decision to include student and lecturer effects seems justified as there is substantial variance within these groups. Second, there do appear to be some effects by age and for lectures given as a service by an outside lecturer. Let’s look at these in more detail. One way to do this would be to plot the coefficients together in a line to see which deviate from 0 and in what direction. To get a confidence interval for our fixed effect coefficients we have a number of options that represent a tradeoff between coverage and computation time – see <code>confint.merMod</code> for details.</p>
<p>An alternative is to simulate values of the fixed effects from the posterior using the function <code>arm::sim</code>. Our next tool, <code>FEsim</code>, is a convenience wrapper to do this and provide an informative data frame of the results.</p>
<div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb4-1" title="1">feEx <-<span class="st"> </span><span class="kw">FEsim</span>(m1, <span class="dv">1000</span>)</a>
<a class="sourceLine" id="cb4-2" title="2"><span class="kw">cbind</span>(feEx[,<span class="dv">1</span>] , <span class="kw">round</span>(feEx[, <span class="dv">2</span><span class="op">:</span><span class="dv">4</span>], <span class="dv">3</span>))</a>
<a class="sourceLine" id="cb4-3" title="3"><span class="co">#> feEx[, 1] mean median sd</span></a>
<a class="sourceLine" id="cb4-4" title="4"><span class="co">#> 1 (Intercept) 3.225 3.225 0.020</span></a>
<a class="sourceLine" id="cb4-5" title="5"><span class="co">#> 2 service1 -0.070 -0.070 0.013</span></a>
<a class="sourceLine" id="cb4-6" title="6"><span class="co">#> 3 lectage.L -0.186 -0.186 0.017</span></a>
<a class="sourceLine" id="cb4-7" title="7"><span class="co">#> 4 lectage.Q 0.024 0.024 0.012</span></a>
<a class="sourceLine" id="cb4-8" title="8"><span class="co">#> 5 lectage.C -0.025 -0.025 0.013</span></a>
<a class="sourceLine" id="cb4-9" title="9"><span class="co">#> 6 lectage^4 -0.020 -0.019 0.014</span></a>
<a class="sourceLine" id="cb4-10" title="10"><span class="co">#> 7 lectage^5 -0.039 -0.039 0.015</span></a>
<a class="sourceLine" id="cb4-11" title="11"><span class="co">#> 8 studage.L 0.096 0.096 0.018</span></a>
<a class="sourceLine" id="cb4-12" title="12"><span class="co">#> 9 studage.Q 0.005 0.005 0.017</span></a>
<a class="sourceLine" id="cb4-13" title="13"><span class="co">#> 10 studage.C 0.017 0.017 0.016</span></a></code></pre></div>
<p>We can present these results graphically, using <code>ggplot2</code>:</p>
<div class="sourceCode" id="cb5"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb5-1" title="1"><span class="kw">library</span>(ggplot2)</a>
<a class="sourceLine" id="cb5-2" title="2"><span class="kw">ggplot</span>(feEx[feEx<span class="op">$</span>term<span class="op">!=</span><span class="st"> "(Intercept)"</span>, ]) <span class="op">+</span></a>
<a class="sourceLine" id="cb5-3" title="3"><span class="st"> </span><span class="kw">aes</span>(<span class="dt">x =</span> term, <span class="dt">ymin =</span> median <span class="op">-</span><span class="st"> </span><span class="fl">1.96</span> <span class="op">*</span><span class="st"> </span>sd,</a>
<a class="sourceLine" id="cb5-4" title="4"> <span class="dt">ymax =</span> median <span class="op">+</span><span class="st"> </span><span class="fl">1.96</span> <span class="op">*</span><span class="st"> </span>sd, <span class="dt">y =</span> median) <span class="op">+</span></a>
<a class="sourceLine" id="cb5-5" title="5"><span class="st"> </span><span class="kw">geom_pointrange</span>() <span class="op">+</span></a>
<a class="sourceLine" id="cb5-6" title="6"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="dv">0</span>, <span class="dt">size =</span> <span class="kw">I</span>(<span class="fl">1.1</span>), <span class="dt">color =</span> <span class="kw">I</span>(<span class="st">"red"</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb5-7" title="7"><span class="st"> </span><span class="kw">coord_flip</span>() <span class="op">+</span></a>
<a class="sourceLine" id="cb5-8" title="8"><span class="st"> </span><span class="kw">theme_bw</span>() <span class="op">+</span><span class="st"> </span><span class="kw">labs</span>(<span class="dt">title =</span> <span class="st">"Coefficient Plot of InstEval Model"</span>,</a>
<a class="sourceLine" id="cb5-9" title="9"> <span class="dt">x =</span> <span class="st">"Median Effect Estimate"</span>, <span class="dt">y =</span> <span class="st">"Evaluation Rating"</span>)</a></code></pre></div>
<div class="figure">
<img src="data:image/png;base64,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" alt="plot of chunk fixeffplot" />
<p class="caption">plot of chunk fixeffplot</p>
</div>
<p>However, an easier option is:</p>
<div class="sourceCode" id="cb6"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb6-1" title="1"><span class="kw">plotFEsim</span>(feEx) <span class="op">+</span></a>
<a class="sourceLine" id="cb6-2" title="2"><span class="st"> </span><span class="kw">theme_bw</span>() <span class="op">+</span><span class="st"> </span><span class="kw">labs</span>(<span class="dt">title =</span> <span class="st">"Coefficient Plot of InstEval Model"</span>,</a>
<a class="sourceLine" id="cb6-3" title="3"> <span class="dt">x =</span> <span class="st">"Median Effect Estimate"</span>, <span class="dt">y =</span> <span class="st">"Evaluation Rating"</span>)</a></code></pre></div>
<div class="figure">
<img src="data:image/png;base64,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" alt="plot of chunk quickFEplot" />
<p class="caption">plot of chunk quickFEplot</p>
</div>
</div>
<div id="random-effects" class="section level2">
<h2>Random Effects</h2>
<p>Next, we might be interested in exploring the random effects. Again, we create a dataframe of the values of the simulation of these effects for the individual levels.</p>
<div class="sourceCode" id="cb7"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb7-1" title="1">reEx <-<span class="st"> </span><span class="kw">REsim</span>(m1)</a>
<a class="sourceLine" id="cb7-2" title="2"><span class="kw">head</span>(reEx)</a>
<a class="sourceLine" id="cb7-3" title="3"><span class="co">#> groupFctr groupID term mean median sd</span></a>
<a class="sourceLine" id="cb7-4" title="4"><span class="co">#> 1 s 1 (Intercept) 0.18042888 0.21906223 0.3145710</span></a>
<a class="sourceLine" id="cb7-5" title="5"><span class="co">#> 2 s 2 (Intercept) -0.07034954 -0.06339508 0.2972897</span></a>
<a class="sourceLine" id="cb7-6" title="6"><span class="co">#> 3 s 3 (Intercept) 0.32105622 0.33625741 0.3187445</span></a>
<a class="sourceLine" id="cb7-7" title="7"><span class="co">#> 4 s 4 (Intercept) 0.23713963 0.23271723 0.2761635</span></a>
<a class="sourceLine" id="cb7-8" title="8"><span class="co">#> 5 s 5 (Intercept) 0.02613185 0.02878794 0.3054642</span></a>
<a class="sourceLine" id="cb7-9" title="9"><span class="co">#> 6 s 6 (Intercept) 0.10806580 0.11082677 0.2429651</span></a></code></pre></div>
<p>The result is a dataframe with estimates of the values of each of the random effects provided by the <code>arm::sim()</code> function. <em>groupID</em> represents the identfiable level for the variable for one random effect, <em>term</em> represents whether the simulated values are for an intercept or which slope, and <em>groupFctr</em> identifies which of the <code>(1|x)</code> terms the values represent. To make unique identifiers for each term, we need to use both the <code>groupID</code> and the <code>groupFctr</code> term in case these two variables use overlapping label names for their groups. In this case:</p>
<div class="sourceCode" id="cb8"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb8-1" title="1"><span class="kw">table</span>(reEx<span class="op">$</span>term)</a>
<a class="sourceLine" id="cb8-2" title="2"><span class="co">#> </span></a>
<a class="sourceLine" id="cb8-3" title="3"><span class="co">#> (Intercept) </span></a>
<a class="sourceLine" id="cb8-4" title="4"><span class="co">#> 4100</span></a>
<a class="sourceLine" id="cb8-5" title="5"><span class="kw">table</span>(reEx<span class="op">$</span>groupFctr)</a>
<a class="sourceLine" id="cb8-6" title="6"><span class="co">#> </span></a>
<a class="sourceLine" id="cb8-7" title="7"><span class="co">#> d s </span></a>
<a class="sourceLine" id="cb8-8" title="8"><span class="co">#> 1128 2972</span></a></code></pre></div>
<p>Most important is producing caterpillar or dotplots of these terms to explore their variation. This is easily accomplished with the <code>dotplot</code> function:</p>
<div class="sourceCode" id="cb9"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb9-1" title="1">lattice<span class="op">::</span><span class="kw">dotplot</span>(<span class="kw">ranef</span>(m1, <span class="dt">condVar=</span><span class="ot">TRUE</span>))</a></code></pre></div>
<p>However, these graphics do not provide much control over the results. Instead, we can use the <code>plotREsim</code> function in <code>merTools</code> to gain more control over plotting of the random effect simulations.</p>
<div class="sourceCode" id="cb10"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb10-1" title="1">p1 <-<span class="st"> </span><span class="kw">plotREsim</span>(reEx)</a>
<a class="sourceLine" id="cb10-2" title="2">p1</a></code></pre></div>
<div class="figure">
<img 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" alt="plot of chunk refplot1" />
<p class="caption">plot of chunk refplot1</p>
</div>
<p>The result is a ggplot2 object which can be modified however the user sees fit. Here, we’ve established that most student and professor effects are indistinguishable from zero, but there do exist extreme outliers with both high and low averages that need to be accounted for.</p>
</div>
<div id="subtantive-effects" class="section level2">
<h2>Subtantive Effects</h2>
<p>A logical next line of questioning is to see how much of the variation in a rating can be caused by changing the student rater and how much is due to the fixed effects we identified above. This is a very difficult problem to solve, but using simulation we can examine the model behavior under a range of scenarios to understand how the model is reflecting changes in the data. To do this, we use another set of functions available in <code>merTools</code>.</p>
<p>The simplest option is to pick an observation at random and then modify its values deliberately to see how the prediction changes in response. <code>merTools</code> makes this task very simple:</p>
<div class="sourceCode" id="cb11"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb11-1" title="1">example1 <-<span class="st"> </span><span class="kw">draw</span>(m1, <span class="dt">type =</span> <span class="st">'random'</span>)</a>
<a class="sourceLine" id="cb11-2" title="2"><span class="kw">head</span>(example1)</a>
<a class="sourceLine" id="cb11-3" title="3"><span class="co">#> y service lectage studage d s</span></a>
<a class="sourceLine" id="cb11-4" title="4"><span class="co">#> 29762 1 0 1 4 403 1208</span></a></code></pre></div>
<p>The <code>draw</code> function takes a random observation from the data in the model and extracts it as a dataframe. We can now do a number of operations to this observation:</p>
<div class="sourceCode" id="cb12"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb12-1" title="1"><span class="co"># predict it</span></a>
<a class="sourceLine" id="cb12-2" title="2"><span class="kw">predict</span>(m1, <span class="dt">newdata =</span> example1)</a>
<a class="sourceLine" id="cb12-3" title="3"><span class="co">#> 29762 </span></a>
<a class="sourceLine" id="cb12-4" title="4"><span class="co">#> 3.742122</span></a>
<a class="sourceLine" id="cb12-5" title="5"><span class="co"># change values</span></a>
<a class="sourceLine" id="cb12-6" title="6">example1<span class="op">$</span>service <-<span class="st"> "1"</span></a>
<a class="sourceLine" id="cb12-7" title="7"><span class="kw">predict</span>(m1, <span class="dt">newdata =</span> example1)</a>
<a class="sourceLine" id="cb12-8" title="8"><span class="co">#> 29762 </span></a>
<a class="sourceLine" id="cb12-9" title="9"><span class="co">#> 3.671278</span></a></code></pre></div>
<p>More interesting, let’s programatically modify this observation to see how the predicted value changes if we hold everything but one variable constant.</p>
<div class="sourceCode" id="cb13"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb13-1" title="1">example2 <-<span class="st"> </span><span class="kw">wiggle</span>(example1, <span class="dt">varlist =</span> <span class="st">"lectage"</span>,</a>
<a class="sourceLine" id="cb13-2" title="2"> <span class="dt">valueslist =</span> <span class="kw">list</span>(<span class="kw">c</span>(<span class="st">"1"</span>, <span class="st">"2"</span>, <span class="st">"3"</span>, <span class="st">"4"</span>, <span class="st">"5"</span>, <span class="st">"6"</span>)))</a>
<a class="sourceLine" id="cb13-3" title="3"></a>
<a class="sourceLine" id="cb13-4" title="4">example2</a>
<a class="sourceLine" id="cb13-5" title="5"><span class="co">#> y service lectage studage d s</span></a>
<a class="sourceLine" id="cb13-6" title="6"><span class="co">#> 29762 1 1 1 4 403 1208</span></a>
<a class="sourceLine" id="cb13-7" title="7"><span class="co">#> 297621 1 1 2 4 403 1208</span></a>
<a class="sourceLine" id="cb13-8" title="8"><span class="co">#> 297622 1 1 3 4 403 1208</span></a>
<a class="sourceLine" id="cb13-9" title="9"><span class="co">#> 297623 1 1 4 4 403 1208</span></a>
<a class="sourceLine" id="cb13-10" title="10"><span class="co">#> 297624 1 1 5 4 403 1208</span></a>
<a class="sourceLine" id="cb13-11" title="11"><span class="co">#> 297625 1 1 6 4 403 1208</span></a></code></pre></div>
<p>The function <code>wiggle</code> allows us to create a new dataframe with copies of the variable that modify just one value. Chaining together <code>wiggle</code> calls, we can see how the variable behaves under a number of different scenarios simultaneously.</p>
<div class="sourceCode" id="cb14"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb14-1" title="1">example2<span class="op">$</span>yhat <-<span class="st"> </span><span class="kw">predict</span>(m1, <span class="dt">newdata =</span> example2)</a>
<a class="sourceLine" id="cb14-2" title="2"></a>
<a class="sourceLine" id="cb14-3" title="3"><span class="kw">ggplot</span>(example2, <span class="kw">aes</span>(<span class="dt">x =</span> lectage, <span class="dt">y =</span> yhat)) <span class="op">+</span><span class="st"> </span><span class="kw">geom_line</span>(<span class="kw">aes</span>(<span class="dt">group =</span> <span class="dv">1</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb14-4" title="4"><span class="st"> </span><span class="kw">theme_bw</span>() <span class="op">+</span><span class="st"> </span><span class="kw">ylim</span>(<span class="kw">c</span>(<span class="dv">1</span>, <span class="dv">5</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb14-5" title="5"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">2</span>) <span class="op">+</span></a>
<a class="sourceLine" id="cb14-6" title="6"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y) <span class="op">+</span><span class="st"> </span><span class="kw">sd</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">3</span>) <span class="op">+</span></a>
<a class="sourceLine" id="cb14-7" title="7"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y) <span class="op">-</span><span class="st"> </span><span class="kw">sd</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">3</span>)</a></code></pre></div>
<div class="figure">
<img src="data:image/png;base64,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" alt="plot of chunk predictplotwiggle" />
<p class="caption">plot of chunk predictplotwiggle</p>
</div>
<p>The result allows us to graphically display the effect of each level of <code>lectage</code> on an observation that is otherwise identical. This is plotted here against a horizontal line representing the mean of the observed ratings, and two finer lines showing plus or minus one standard deviation of the mean.</p>
<p>This is nice, but selecting a random observation is not very satisfying as it may not be very meaningful. To address this, we can instead take the average observation:</p>
<div class="sourceCode" id="cb15"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb15-1" title="1">example3 <-<span class="st"> </span><span class="kw">draw</span>(m1, <span class="dt">type =</span> <span class="st">'average'</span>)</a>
<a class="sourceLine" id="cb15-2" title="2">example3</a>
<a class="sourceLine" id="cb15-3" title="3"><span class="co">#> y service lectage studage d s</span></a>
<a class="sourceLine" id="cb15-4" title="4"><span class="co">#> 1 3.205745 0 1 6 1510 2237</span></a></code></pre></div>
<p>Here, the average observation is identified based on either the modal observation for factors or on the mean for numeric variables. Then, the random effect terms are set to the level equivalent to the median effect – very close to 0.</p>
<div class="sourceCode" id="cb16"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb16-1" title="1">example3 <-<span class="st"> </span><span class="kw">wiggle</span>(example1, <span class="dt">varlist =</span> <span class="st">"service"</span>,</a>
<a class="sourceLine" id="cb16-2" title="2"> <span class="dt">valueslist =</span> <span class="kw">list</span>(<span class="kw">c</span>(<span class="st">"0"</span>, <span class="st">"1"</span>)))</a>
<a class="sourceLine" id="cb16-3" title="3">example3<span class="op">$</span>yhat <-<span class="st"> </span><span class="kw">predict</span>(m1, <span class="dt">newdata =</span> example3)</a>
<a class="sourceLine" id="cb16-4" title="4"></a>
<a class="sourceLine" id="cb16-5" title="5"><span class="kw">ggplot</span>(example3, <span class="kw">aes</span>(<span class="dt">x =</span> service, <span class="dt">y =</span> yhat)) <span class="op">+</span><span class="st"> </span><span class="kw">geom_line</span>(<span class="kw">aes</span>(<span class="dt">group =</span> <span class="dv">1</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb16-6" title="6"><span class="st"> </span><span class="kw">theme_bw</span>() <span class="op">+</span><span class="st"> </span><span class="kw">ylim</span>(<span class="kw">c</span>(<span class="dv">1</span>, <span class="dv">5</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb16-7" title="7"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">2</span>) <span class="op">+</span></a>
<a class="sourceLine" id="cb16-8" title="8"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y) <span class="op">+</span><span class="st"> </span><span class="kw">sd</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">3</span>) <span class="op">+</span></a>
<a class="sourceLine" id="cb16-9" title="9"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y) <span class="op">-</span><span class="st"> </span><span class="kw">sd</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">3</span>)</a></code></pre></div>
<div class="figure">
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAfgAAAH4CAMAAACR9g9NAAAAxlBMVEUAAAAAAGYAOpAAZrYzMzM6AAA6ADo6OmY6OpA6ZrY6kNtNTU1NTW5NTY5NbqtNjshmAABmADpmAGZmOgBmOmZmtv9uTU1uTY5ubqtuq6tuq+SOTU2OTY6ObquOjsiOq+SOyP+QOgCQOjqQkDqQ2/+rbk2rbo6r5P+2ZgC2Zjq2///Ijk3Ijm7IyP/I///bkDrb25Db/7bb/9vb///kq27kq47k/8jk///r6+v/tmb/yI7/25D/5Kv//7b//8j//9v//+T///+oIqgyAAAACXBIWXMAAAsSAAALEgHS3X78AAAK0klEQVR4nO3dAXMTxwFAYYFpm1ptSNK4TUlpTGoKhRTS4haMwaD//6cqywSEjWSno/Pn+N6bETaanZHevtu9k8Fzk1mMkol+A2Eo/Egp/Egp/EhZH/5WXEMuEn5jB9j/xwv8+oOgpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUqvDv70//d2DpTEOPUeDoKVWhz/668djHHqOBkFLrQ7/6o/Tz5+f/E/LF3HtWB3+5Z3Zq++WDg6HXhyDoKXWXtzN238Y49BzNAhaanX4/d3Zy92lMQ49R4OgpdZe1d9eHuPQczQIWqrP8QgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUuGn7SY7OPF/j1W/EILVV4hJYqPEJLXSi8vnFObJ5WPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpdaFf/XN86UxDj1Hg6Cl1oR/e//zwg+GlloTfv/Pd+fhb83RN86JzbM6/Ktv/nu3FT8YWmp1+P3pdHpnaYxDz9EgaKl1F3dHrfjh0FKFR2ipPscjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaV+CeEnp8BvZzMU/nxOz9HpA+EXeVgU/nx+3hytPyyuzHFR+PPZ6BxdlcOi8OdziXN0eYdF4c9Hz9F7NnkW0VKF3xw/67DQUoW/LE4dB1qq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC11ofD6/imxeVrxCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqQuFf3d/hUlfN/f1BX79VjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKlT4V9/9ejdH2fGOPQcDYKW+ij8m3snt7i++ewTYxx6jgZBS31qxX96jEPP0SBoqdPn+KfHK/5GW/3gaKnTK/7LvYc7B1ufGuPQczQIWursVv90u4u7S0BLnQr/5vu9g63CXwJa6vQ5/uDmv+9Nto+/e3t/ent5jEPP0SBoqdU/wHl5Z/bDg6UxDj1Hg6Cl1l3Vv/37k/mAOfrGObF5zl7Vvz8Gjr5tqx8OLbX2Bzjz3f7DGIeeo0HQUme2+p2fvtvfLfyAaKmPwr/+4uRn9Ytz/Pyq/vPnS2Mceo4GQUv1z7IILXX6HP/F9qoxDj1Hg6Clzqz4+ee50+0LPwBa6lNb/bz9ztkxDj1Hg6ClzoQ/OF7xH3+qK/wAaKkz5/itVWMceo4GQUt1VY/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqQuF1zfOic3TikdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtNTq8EffTn//ZGmMQ8/RIGip1eH3d2f7d5bGOPQcDYKWWrvVv9ydD5ijb5wTm2dd+KO7z5cODodeHIOgpdaEP/rLk+UxDj1Hg6ClVod/9acnH41x6DkaBC21Ovzj6XTaxd1gaKk+xyO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqYuGn/TY7OMFfv1WPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVrqQuH1/VNi87TiEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElio8QksVHqGlCo/QUoVHaKnCI7RU4RFaqvAILVV4hJYqPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgttS78/u7yGIeeo0HQUmvCP54Wfji01OrwR/9crPhbc/SNc2LztNUjtFThEVqq8AgtVXiElupzPEJLFR6hpQqP0FKFR2ipwiO0VOERWqrwCC1VeISWKjxCSxUeoaUKj9BShUdoqcIjtFThEVqq8AgtVXiElrpQ+LiGXCC8Ru84g3A1pAp/6VwNqasdPgaj8COl8COl8CPlCod/e396W7+HAfjpdxYwVzj8yzuzx1djkjbJ+99Exlzh8P95cNz+mvHuN5E9Vzj8D9cxfFv9+VzLFV/487me5/jCn0tX9UNyhcPHkBR+pBR+pBR+pBR+pBR+pBT+A4efPdNv4fIo/EgZZ/g39yaT7dnsYDLZmh3+5g83/jb/y9Pt+Yo//NXkxqOT56854wx/sDV7/dWj46394c7hr/eON/k33+8dfvavL/dmT7dOntfvcWDGGX6+sLcWC36+8Bdn9n/sHf52nv/HxVn+5Hn9HgdmnOEX6XcOFvv5IvzB1nyJvw9/7ff52VjDP52nfbg93+Tf3NtZhH/99dePZidb/cHNHxfP6/c4MOMMP3s4mdx89u7ibrHKH24t1n4Xd3HNKfxIKfxIKfxIKfxIKfxIKfxI+R+846SI5fiVnAAAAABJRU5ErkJggg==" alt="plot of chunk wiggle2" />
<p class="caption">plot of chunk wiggle2</p>
</div>
<p>Here we can see that for the average observation, whether the lecture is outside of the home department has a very slight negative effect on the overall rating. Might the individual professor or student have more of an impact on the overall rating? To answer this question we need to wiggle the same observation across a wide range of student or lecturer effects.</p>
<p>How do we identify this range? <code>merTools</code> provides the <code>REquantile</code> function which helps to identify which levels of the grouping terms correspond to which quantile of the magnitude of the random effects:</p>
<div class="sourceCode" id="cb17"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb17-1" title="1"><span class="kw">REquantile</span>(m1, <span class="dt">quantile =</span> <span class="fl">0.25</span>, <span class="dt">groupFctr =</span> <span class="st">"s"</span>)</a>
<a class="sourceLine" id="cb17-2" title="2"><span class="co">#> [1] "446"</span></a>
<a class="sourceLine" id="cb17-3" title="3"><span class="kw">REquantile</span>(m1, <span class="dt">quantile =</span> <span class="fl">0.25</span>, <span class="dt">groupFctr =</span> <span class="st">"d"</span>)</a>
<a class="sourceLine" id="cb17-4" title="4"><span class="co">#> [1] "18"</span></a></code></pre></div>
<p>Here we can see that group level 446 corresponds to the 25th percentile of the effect for the student groups, and level <code>REquantile(m1, quantile = 0.25, groupFctr = "d")</code> corresponds to the 25th percentile for the instructor group. Using this information we can reassign a specific observation to varying magnitudes of grouping term effects to see how much they might influence our final prediction.</p>
<div class="sourceCode" id="cb18"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb18-1" title="1">example4 <-<span class="st"> </span><span class="kw">draw</span>(m1, <span class="dt">type =</span> <span class="st">'average'</span>)</a>
<a class="sourceLine" id="cb18-2" title="2">example4 <-<span class="st"> </span><span class="kw">wiggle</span>(example4, <span class="dt">varlist =</span> <span class="st">"s"</span>,</a>
<a class="sourceLine" id="cb18-3" title="3"> <span class="kw">list</span>(<span class="kw">REquantile</span>(m1, <span class="dt">quantile =</span> <span class="kw">seq</span>(<span class="fl">0.1</span>, <span class="fl">0.9</span>, <span class="fl">.1</span>),</a>
<a class="sourceLine" id="cb18-4" title="4"> <span class="dt">groupFctr =</span> <span class="st">"s"</span>)))</a>
<a class="sourceLine" id="cb18-5" title="5"></a>
<a class="sourceLine" id="cb18-6" title="6">example4<span class="op">$</span>yhat <-<span class="st"> </span><span class="kw">predict</span>(m1, <span class="dt">newdata =</span> example4)</a>
<a class="sourceLine" id="cb18-7" title="7"></a>
<a class="sourceLine" id="cb18-8" title="8"><span class="kw">ggplot</span>(example4, <span class="kw">aes</span>(<span class="dt">x =</span> <span class="kw">reorder</span>(s, <span class="op">-</span>yhat), <span class="dt">y =</span> yhat)) <span class="op">+</span></a>
<a class="sourceLine" id="cb18-9" title="9"><span class="st"> </span><span class="kw">geom_line</span>(<span class="kw">aes</span>(<span class="dt">group =</span> <span class="dv">1</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb18-10" title="10"><span class="st"> </span><span class="kw">theme_bw</span>() <span class="op">+</span><span class="st"> </span><span class="kw">ylim</span>(<span class="kw">c</span>(<span class="dv">1</span>, <span class="dv">5</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb18-11" title="11"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">2</span>) <span class="op">+</span></a>
<a class="sourceLine" id="cb18-12" title="12"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y) <span class="op">+</span><span class="st"> </span><span class="kw">sd</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">3</span>) <span class="op">+</span></a>
<a class="sourceLine" id="cb18-13" title="13"><span class="st"> </span><span class="kw">geom_hline</span>(<span class="dt">yintercept =</span> <span class="kw">mean</span>(InstEval<span class="op">$</span>y) <span class="op">-</span><span class="st"> </span><span class="kw">sd</span>(InstEval<span class="op">$</span>y), <span class="dt">linetype =</span> <span class="dv">3</span>)</a></code></pre></div>
<div class="figure">
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAfgAAAH4CAMAAACR9g9NAAAA4VBMVEUAAAAAADoAAGYAOmYAOpAAZmYAZrYzMzM6AAA6ADo6AGY6OgA6OmY6OpA6ZrY6kNtNTU1NTW5NTY5Nbm5NbqtNjshmAABmADpmAGZmOgBmOpBmtv9uTU1uTY5ubqtujshuq6tuq+SOTU2OTY6ObquOjk2OjsiOq+SOyP+QOgCQOjqQOmaQkLaQ2/+rbk2rbo6r5P+2ZgC2Zjq2Zma2///Ijk3Ijm7Ijo7IyP/I///bkDrb/9vb///kq27kq47k/8jk///r6+v/tmb/yI7/25D/5Kv//7b//8j//9v//+T///9WzP2HAAAACXBIWXMAAAsSAAALEgHS3X78AAANGklEQVR4nO2dC1sbxxVAN6mLEzcpimtwUhI3ODTBaXFMC0mhqOFhXvr/P6izu1o9kHY1EmK12nPuZx6S7tHc2TMzOyvhT0nPQEay6gKM1YTioaF4aCgeGtXinxstjBjxlY9ezDfGRJqBKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KKB6KlIu/f9/56sNITn01idSAlIu//XE8Z8EGRJqJlIu//rbz6jz/S8sLo3VRLv5qt3f908jgWHBkiTQTqdzcBffDnAUbEGkmUi6+u9+72h/Jqa8mkRqQyl391mhOfTWJ1IB4HQ9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FFA9FYsUnpV8XFY+VfF3Mmb/Y18X8DKgvzngoongoongoEiV+1R+cYyw/nPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQRPFQpEr89ZvzkZz6ahKpAakQf//+leJbi1SI736/F8Q/D7HqD84xlh/l4q/f/L7njG8tUi6+2+l0dkdy6qtJpAakanN364xvL6J4KOJ1PBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBR5vPgkqaanRCN6DkeWMuOTOeU3oudwZGlL/TzyG9FzOLLUc3ys/Eb0HI4sfXOXRNhvRM/hyNPs6mfIb0TP4cjTXc5VyG9Ez+HI017Hl8hvRM/hyNO/gDPlpN+InsORml65G5ffiJ7DkRpfsh3Kb0TP4UjNr9Xn8hvRcziygjdpkphL/Ue3IlL98MrenZtTfyMOVpuQFb8tG62/EQerTUgj3o9PZvtvxMFqE9II8f2o0t+Ig9UmpEni85g+/RtxsNqENE98Px7ob8TBahPSWPF5DPQ34mC1CWm4+DwiNn9LaIWFrIX43uilv3/gtRQkSvyqPz9lPPr+k1XXsd6xTjP+QcxaABoxsRqLrLH4fpT6X3VhzUbWX3w/kokB0JDCGoq0RnwRQ/8NK6xhSOvE92NyAXiKVtYYaav4AplvADS7L0tF2i6+iCRqBKxHX5aCUMQPonIArFlfHoPgxBcxdQloQmE1IVjxgxgdAI0q7GkRxRex2HVAM/sSgSj+IQJ5K0jxJUjsArAOfZkWip+BtPWtIMXHIa17K0jxcyHteStI8Qsh6/9WkOIfg6zxFaDil4Cs4xWg4peHrNUVoOKXj6zFFaDinwxp9hWg4p8aaegVoOLrQhp2Baj4mpGFLgAV3xZkXv2KbxUSr1/xLURi7Cu+rUjtl/6KbxJSqn9F4vvFJFN/XpTcv9yfF/NzF3XUVezUlv28yaOfZ4YXZ3xDkfHJ71IPQwr9ikciY5N/Sa0ofl2QeeUrvkXIPPIV3zIkVr7iW4jEnPQV31ZkhnzFtxmpkK/4tiMl8hVPQKac9BWPQcblzyf+5uuj/reJnEfVJFITMpQ/j/i7d/lrw8/OpuQ8uiaRmpCol/enzfjpOUupSaQmJH8juyIenuNP0+HyqUt965GHM/71weHO5ca0nPpqEqkBmVzqTzfd3AGQB+Lvfj643FA8AHl4jr989t93yWb62/37ztZoTn01idSAlL+Ac7Xb+/XDSE59NYnUgFTt6u9/OQkJIVb9wTnG8mNyVz8YA7dvXerbi1S+gBNW+2FOfTWJ1IBMLPU7xW/dfcW3GBkTf7Odv1afnePDrv7V+UhOfTWJ1ID4tiwUeXiO394sy6mvJpEakIkZH67nHrpXfAuRaUt9cL8zmVNfTSI1IBPiL9MZP35Vp/gWIhPn+I2ynPpqEqkBcVcPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRRQPRaLEr/qDc4zlhzMeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeiigeipSLv33beXkyklNfTSI1IOXiu/u97u5ITn01idSAVC71V/shIcSqPzjHWH5Uib/dOx8ZHAuOLJFmIhXib384Gc2pryaRGpBy8dffnYzl1FeTSA1IufjjTqfj5q61iNfxUETxUETxUETxUETxUETxUETxUETxUCRWfFL6dVHxWMnXxZz5i31dzM+A+uKMhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyKKhyJR4lf9+SnG8sMZD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0UUD0WqxHf3R3MWbECkmUiF+OOO4tuLlIu//U8245+HWPUH5xjLD5d6KKJ4KKJ4KKJ4KOJ1PBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBRRPBSJEm+0MCLExwwdkbVEFA9FHiPeWONQPDQUDw3FQ2MR8dlf3V+/Ob9/33l1fvu28/JkJhKytnpZfvi2FdtKPzc0FddKUViWnbU2u6yXJ0X2Vq/b6XR241oZOwYxrfSfO3DZsYjuyxwHrUj96kNEVQuIz/4v7f37V+ehtu5++i3qYF3tX+2Gn+Hb8X5kKyH31w+Dpma2MlbYblbd7LLyxN28qV7vt5nDK2tl0FTWp5hW8udOuexYRPelOGhZddWRpd7+WPxWnTy/+Pz/0na/3zv/7e/5uJrdjayzW1k5//uQlhXZSu/+l5OsqZhWhoVl2UV1MyJ72vRb2lREaVkrw6ZixPcbCKkZlx2L6L70G8iqm9VImnr9bSdqOC641F+/+X3v/Dibk73bvdnHNyxvf/lbWEqzkRsjPl/rbt9u5U3FtVIUlmX3q5tVWPHcaVMxE3641OdNdSNODnkr2XPnS304FhGtjDSQVzeTCamhz9c/RVS1oPjsjBV6ko7iHyIOVi8dj2G96+5Gzvji/+8FKjs5RrVSFJZl59XNiOxp+8+dHrLZQobis6ayPkW1kj930auYVsYaiEEGqRFVLby5C4M4O1ldfxfjPaQe7xfrfdQ5vtdfFPMlJbqVYXbMqTRLHGTvxg3J4eaufwxmTca8+Py5815FHIGxBrpRq9cgdT+iqseIz/aOx1E74WxbOtw+R7bS35ym63b8frvIjtlvZ4kj2TGn63HxMZcbefH5cw+vVSL7En2F0hs5vhFVeR0PDcVDQ/HQUDw0FA8NxUODKf7u3c7ozdPN6Wkfvzwb/H7z17Pw70mrqjUUH/z+uSRtVHz6+2XJAFnHaLn4j1988+nRZZJshGmdJJv57dPkD9/s9LJ7s9v/OggjIX10GIfhxuVGeLRPboSEZ2d3/zhaWU+WHW0X//lBNlcPdz6+OLp5fZDdfnH08bOd/r3h9s3XR0Fy9mPIvTgKq0J4NNwbMvPvYQjslDe1ZtF28ekCnYTYDGpT0eF2ekY/3MnvTW9nX5+lU3sYqfUvz8K/u58P0gc/OcjFt2etJ4jPlE6I3ygez8/kwW5/Oh+m54DLjZCWi7/8NFsrFL9OkYn9/CCdwC8Kfelv2zv9e8PtdI0/3cjP64O4ef3FUSE+DIP+jD90qV+TyHQNNnc7+e3T5JM/FZu79HbY3KXT/NnZ6Gk+HQq5+Jvt5I/bOzfbbu7aFsPLuX8PxKbn9onwcq5lUZy67/5Z3HM5vtfLwxdwjPUPxUND8dBQPDQUD43/A2XAJLIvOIhdAAAAAElFTkSuQmCC" alt="plot of chunk wiggleanddraw" />
<p class="caption">plot of chunk wiggleanddraw</p>
</div>
<p>This figure is very interesting because it shows that moving across the range of student effects can have a larger impact on the score than the fixed effects we observed above. That is, getting a “generous” or a “stingy” rater can have a substantial impact on the final rating.</p>
<p>But, we can do even better. First, we can move beyond the average observation by taking advantage of the <code>varList</code> option to the function which allows us to specify a subset of the data to compute an average for.</p>
<div class="sourceCode" id="cb19"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb19-1" title="1">subExample <-<span class="st"> </span><span class="kw">list</span>(<span class="dt">studage =</span> <span class="st">"2"</span>, <span class="dt">lectage =</span> <span class="st">"4"</span>)</a>
<a class="sourceLine" id="cb19-2" title="2">example5 <-<span class="st"> </span><span class="kw">draw</span>(m1, <span class="dt">type =</span> <span class="st">'average'</span>, <span class="dt">varList =</span> subExample)</a>
<a class="sourceLine" id="cb19-3" title="3">example5</a>
<a class="sourceLine" id="cb19-4" title="4"><span class="co">#> y service lectage studage d s</span></a>
<a class="sourceLine" id="cb19-5" title="5"><span class="co">#> 1 3.087193 0 4 2 1510 2237</span></a></code></pre></div>
<p>Now we have the average observation with a student age of 2 and a lecture age of 4. We can then follow the same procedure as before to explore the effects on our subsamples. Before we do that, let’s fit a slightly more complex model that includes a random slope.</p>
<div class="sourceCode" id="cb20"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb20-1" title="1"><span class="kw">data</span>(VerbAgg)</a>
<a class="sourceLine" id="cb20-2" title="2">m2 <-<span class="st"> </span><span class="kw">glmer</span>(r2 <span class="op">~</span><span class="st"> </span>Anger <span class="op">+</span><span class="st"> </span>Gender <span class="op">+</span><span class="st"> </span>btype <span class="op">+</span><span class="st"> </span>situ <span class="op">+</span></a>
<a class="sourceLine" id="cb20-3" title="3"><span class="st"> </span>(<span class="dv">1</span><span class="op">|</span>id) <span class="op">+</span><span class="st"> </span>(<span class="dv">1</span> <span class="op">+</span><span class="st"> </span>Gender<span class="op">|</span>item), <span class="dt">family =</span> binomial,</a>
<a class="sourceLine" id="cb20-4" title="4"> <span class="dt">data =</span> VerbAgg)</a>
<a class="sourceLine" id="cb20-5" title="5"></a>
<a class="sourceLine" id="cb20-6" title="6">example6 <-<span class="st"> </span><span class="kw">draw</span>(m2, <span class="dt">type =</span> <span class="st">'average'</span>, <span class="dt">varList =</span> <span class="kw">list</span>(<span class="st">"id"</span> =<span class="st"> "149"</span>))</a>
<a class="sourceLine" id="cb20-7" title="7">example6<span class="op">$</span>btype <-<span class="st"> "scold"</span></a>
<a class="sourceLine" id="cb20-8" title="8">example6<span class="op">$</span>situ <-<span class="st"> "self"</span></a>
<a class="sourceLine" id="cb20-9" title="9"></a>
<a class="sourceLine" id="cb20-10" title="10"></a>
<a class="sourceLine" id="cb20-11" title="11">tempdf <-<span class="st"> </span><span class="kw">wiggle</span>(example6, <span class="dt">varlist =</span> <span class="st">"Gender"</span>, <span class="kw">list</span>(<span class="kw">c</span>(<span class="st">"M"</span>, <span class="st">"F"</span>)))</a>
<a class="sourceLine" id="cb20-12" title="12">tempdf <-<span class="st"> </span><span class="kw">wiggle</span>(tempdf, <span class="dt">varlist =</span> <span class="st">"item"</span>,</a>
<a class="sourceLine" id="cb20-13" title="13"> <span class="kw">list</span>(<span class="kw">unique</span>(VerbAgg<span class="op">$</span>item)))</a>
<a class="sourceLine" id="cb20-14" title="14">tempdf<span class="op">$</span>yhat <-<span class="st"> </span><span class="kw">predict</span>(m2, <span class="dt">newdata =</span> tempdf, <span class="dt">type =</span> <span class="st">"response"</span>,</a>
<a class="sourceLine" id="cb20-15" title="15"> <span class="dt">allow.new.levels =</span> <span class="ot">TRUE</span>)</a>
<a class="sourceLine" id="cb20-16" title="16"></a>
<a class="sourceLine" id="cb20-17" title="17"><span class="kw">ggplot</span>(tempdf, <span class="kw">aes</span>(<span class="dt">x =</span> item, <span class="dt">y =</span> yhat, <span class="dt">group =</span> Gender)) <span class="op">+</span></a>
<a class="sourceLine" id="cb20-18" title="18"><span class="st"> </span><span class="kw">geom_line</span>(<span class="kw">aes</span>(<span class="dt">color =</span> Gender))<span class="op">+</span></a>
<a class="sourceLine" id="cb20-19" title="19"><span class="st"> </span><span class="kw">theme_bw</span>() <span class="op">+</span><span class="st"> </span><span class="kw">ylim</span>(<span class="kw">c</span>(<span class="dv">0</span>, <span class="dv">1</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb20-20" title="20"><span class="st"> </span><span class="kw">theme</span>(<span class="dt">axis.text.x =</span> <span class="kw">element_text</span>(<span class="dt">angle =</span> <span class="dv">20</span>, <span class="dt">hjust=</span><span class="dv">1</span>),</a>
<a class="sourceLine" id="cb20-21" title="21"> <span class="dt">legend.position =</span> <span class="st">"bottom"</span>) <span class="op">+</span><span class="st"> </span><span class="kw">labs</span>(<span class="dt">x =</span> <span class="st">"Item"</span>, <span class="dt">y =</span> <span class="st">"Probability"</span>)</a></code></pre></div>
<div class="figure">
<img src="data:image/png;base64,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" alt="plot of chunk wigglesubsamples" />
<p class="caption">plot of chunk wigglesubsamples</p>
</div>
<p>Here we’ve shown that the effect of both the intercept and the gender slope on item simultaneously affect our predicted value. This results in the two lines for predicted values across the items not being parallel. While we can see this by looking at the results of the summary of the model object, using <code>fastdisp</code> in the <code>merTools</code> package for larger models, it is not intuitive what that effect looks like across different scenarios. <code>merTools</code> has given us the machinery to investigate this.</p>
</div>
<div id="uncertainty" class="section level2">
<h2>Uncertainty</h2>
<p>The above examples make use of simulation to show the model behavior after changing some values in a dataset. However, until now, we’ve focused on using point estimates to represent these changes. The use of predicted point estimates without incorporating any uncertainty can lead to overconfidence in the precision of the model.</p>
<p>In the <code>predictInterval</code> function, discussed in more detail in another package vignette, we provide a way to incorporate three out of the four types of uncertainty inherent in a model. These are:</p>
<ol style="list-style-type: decimal">
<li>Overall model uncertainty</li>
<li>Uncertainty in fixed effect values</li>
<li>Uncertainty in random effect values</li>
<li>Uncertainty in the distribution of the random effects</li>
</ol>
<p>1-3 are incorporated in the results of <code>predictInterval</code>, while capturing 4 would require making use of the <code>bootMer</code> function – options discussed in greater detail elsewhere. The main advantage of <code>predictInterval</code> is that it is fast. By leveraging the power of the <code>arm::sim()</code> function, we are able to generate prediction intervals for individual observations from very large models very quickly. And, it works a lot like <code>predict</code>:</p>
<div class="sourceCode" id="cb21"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb21-1" title="1">exampPreds <-<span class="st"> </span><span class="kw">predictInterval</span>(m2, <span class="dt">newdata =</span> tempdf,</a>
<a class="sourceLine" id="cb21-2" title="2"> <span class="dt">type =</span> <span class="st">"probability"</span>, <span class="dt">level =</span> <span class="fl">0.8</span>)</a>
<a class="sourceLine" id="cb21-3" title="3"></a>
<a class="sourceLine" id="cb21-4" title="4">tempdf <-<span class="st"> </span><span class="kw">cbind</span>(tempdf, exampPreds)</a>
<a class="sourceLine" id="cb21-5" title="5"></a>
<a class="sourceLine" id="cb21-6" title="6"><span class="kw">ggplot</span>(tempdf, <span class="kw">aes</span>(<span class="dt">x =</span> item, <span class="dt">y =</span> fit, <span class="dt">ymin =</span> lwr, <span class="dt">ymax =</span> upr,</a>
<a class="sourceLine" id="cb21-7" title="7"> <span class="dt">group =</span> Gender)) <span class="op">+</span></a>
<a class="sourceLine" id="cb21-8" title="8"><span class="st"> </span><span class="kw">geom_ribbon</span>(<span class="kw">aes</span>(<span class="dt">fill =</span> Gender), <span class="dt">alpha =</span> <span class="kw">I</span>(<span class="fl">0.2</span>), <span class="dt">color =</span> <span class="kw">I</span>(<span class="st">"black"</span>))<span class="op">+</span></a>
<a class="sourceLine" id="cb21-9" title="9"><span class="st"> </span><span class="kw">theme_bw</span>() <span class="op">+</span><span class="st"> </span><span class="kw">ylim</span>(<span class="kw">c</span>(<span class="dv">0</span>, <span class="dv">1</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb21-10" title="10"><span class="st"> </span><span class="kw">theme</span>(<span class="dt">axis.text.x =</span> <span class="kw">element_text</span>(<span class="dt">angle =</span> <span class="dv">20</span>),</a>
<a class="sourceLine" id="cb21-11" title="11"> <span class="dt">legend.position =</span> <span class="st">"bottom"</span>)<span class="op">+</span><span class="st"> </span><span class="kw">labs</span>(<span class="dt">x =</span> <span class="st">"Item"</span>, <span class="dt">y =</span> <span class="st">"Probability"</span>)</a></code></pre></div>
<div class="figure">
<img src="data:image/png;base64,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" alt="plot of chunk speedexample" />
<p class="caption">plot of chunk speedexample</p>
</div>
<p>Here we can see there is barely any gender difference in terms of area of potential prediction intervals. However, by default, this approach includes the residual variance of the model. If we instead focus just on the uncertainty of the random and fixed effects, we get:</p>
<div class="sourceCode" id="cb22"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb22-1" title="1">exampPreds <-<span class="st"> </span><span class="kw">predictInterval</span>(m2, <span class="dt">newdata =</span> tempdf,</a>
<a class="sourceLine" id="cb22-2" title="2"> <span class="dt">type =</span> <span class="st">"probability"</span>,</a>
<a class="sourceLine" id="cb22-3" title="3"> <span class="dt">include.resid.var =</span> <span class="ot">FALSE</span>, <span class="dt">level =</span> <span class="fl">0.8</span>)</a>
<a class="sourceLine" id="cb22-4" title="4">tempdf <-<span class="st"> </span><span class="kw">cbind</span>(tempdf[, <span class="dv">1</span><span class="op">:</span><span class="dv">8</span>], exampPreds)</a>
<a class="sourceLine" id="cb22-5" title="5"></a>
<a class="sourceLine" id="cb22-6" title="6"><span class="kw">ggplot</span>(tempdf, <span class="kw">aes</span>(<span class="dt">x =</span> item, <span class="dt">y =</span> fit, <span class="dt">ymin =</span> lwr, <span class="dt">ymax =</span> upr,</a>
<a class="sourceLine" id="cb22-7" title="7"> <span class="dt">group =</span> Gender)) <span class="op">+</span></a>
<a class="sourceLine" id="cb22-8" title="8"><span class="st"> </span><span class="kw">geom_ribbon</span>(<span class="kw">aes</span>(<span class="dt">fill =</span> Gender), <span class="dt">alpha =</span> <span class="kw">I</span>(<span class="fl">0.2</span>), <span class="dt">color =</span> <span class="kw">I</span>(<span class="st">"black"</span>))<span class="op">+</span></a>
<a class="sourceLine" id="cb22-9" title="9"><span class="st"> </span><span class="kw">geom_line</span>(<span class="kw">aes</span>(<span class="dt">color =</span> Gender)) <span class="op">+</span></a>
<a class="sourceLine" id="cb22-10" title="10"><span class="st"> </span><span class="kw">theme_bw</span>() <span class="op">+</span><span class="st"> </span><span class="kw">ylim</span>(<span class="kw">c</span>(<span class="dv">0</span>, <span class="dv">1</span>)) <span class="op">+</span></a>
<a class="sourceLine" id="cb22-11" title="11"><span class="st"> </span><span class="kw">theme</span>(<span class="dt">axis.text.x =</span> <span class="kw">element_text</span>(<span class="dt">angle =</span> <span class="dv">20</span>),</a>
<a class="sourceLine" id="cb22-12" title="12"> <span class="dt">legend.position =</span> <span class="st">"bottom"</span>) <span class="op">+</span><span class="st"> </span><span class="kw">labs</span>(<span class="dt">x =</span> <span class="st">"Item"</span>, <span class="dt">y =</span> <span class="st">"Probability"</span>)</a></code></pre></div>
<div class="figure">
<img 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I4vgrPzZPAbT7Uj8OiuV7g45wQPh40jwUPBe17Q9Uex2Kw+Cp4wnRM899ZrssrOQgeC7678FLFYA1Spb2ORBn/a+RxMvXI2Av69KS2+iHTZDFMWA4nkXcYIlN1M4L2+fuvgw28OIBWZJzYtDrnh9U21r5HJ3V996zs3zBj//PbR9ebfF++0v0TBF7GxmmPKYbhK4O0FAN+z0eBDbw6kgUcDPVNFo7P6914ws/pnx+W9k+rfy9ecX2LgvRcWx4GnE4HcwPNvDrhCF4ZOV1vgtJr/33gaWcd/460PP23AP7pT4y7Li5tH1x43v+hK7AeQ72Ip8GenN/7Hq1lVfxRXU9wNSUHsBsiG+TGcFZtnQvQBEv3EtxrsSfe/I1+v/vBTv/WmuVh/vwFfBRevt79EWrz/+lLbdlZUNbbFky2yrlqzHzhIVbmz0J5LfsHjwCIYa5Cq28QN7eIq9u0JNLnq3k7y/YxO7qw86lhX/z7qBe/fae+4n66IbjT44LppF+DRHnERijVMZTXcLq7qXs/1pMBPWKCiccomaa++HdYfnpTPTvrH+DB42+YHgSdWWwGPB/kdgqe3uFT4gp0H3p2goP2KpL16mMhfvvoY/u2d1ZMbrpsWnwOeLu19DA73rqdAnYBXwDsEj3eMikCsgSq8ievs4qKt/vhyynXee0Vp/r16evvFAU8a7+zg0ePtBHzP5kmqytO0u7jsW5pWKPh6oL/rlcs62tWP3KsPgV8ZlccwAbzTU+BhHxfwHOBD58BFFJa/fizYWENVRFPv4gbe0rTCgIfzR597EPzovXp6Ft41eKPCDPvBgx0Lni3hWcCvvNyKfQBfo++NxYJfE+yJs/oB4JkDkq7BI/De3QyKwdYXZ4jAGz9cCc8BvhlbEsGTSQXn1nDVODsePKPqmdXHGjwHnts188BjhkHwbuOzQ4S341eQMsB1exp4NMgPAB/bJ09XjbLztkwjDz3zDZwg+JWjcku1D3xnNw/4jf+3EnCsto42Y0sSeKaLoW6NYLoz8GNm9exSarNusbUqB2IPeMcOo2hPIvwyCIPfbIB6DLwzC80Y/IgWz4+vE8CvHNUU8Bvb0uk381nwkJ07yIcKncuwILFGMN0Z+BFjPAvecrf5W4gh8G6Dd+cG/o5fgcvAm76edg3dqvrAO7PJseBpfRzBdIydf0hCntDKnG/LBlrbmoK3xRoFv0IqxKKzK1AZeOCZIZ35gjbtm5pJRQJ4WtOwUzmA58ugLj0P4HptIcbAr7BqDHiuDNLBu4N8PuBh526X4FeeCjVCa1e4ZYB92LBlEATvTUZWCeD9nZFDAP/xwHfnAmVQFZ7fctdOse4APCFPq+hU8P7U40qB7xcEnuwKdrNzCnBtyjUCHnF3J4XMcW5hy8Dv6b3UV7Ukg3dyC13rDT30jsD75+G0AK0EwX/0ufiLcx54uhvMgMeRoFyD4B3u1s5Sc+2KOPhVJ2BIydO+KWPwn3zjrfK9no/ZpoF3CE4Gb1mkgN+sO9xu8qsgeDKb7AEffOgrDL6e03/0k8ngmeMfDrxHPgIecXfMVgz4wHcKq0T4MqB1wURnlhF2kM8K/Ofjfb0DPpyZy90vqVUIPOKO7KLgSfIht1ZUhTLtZpMR8P5Xd7Fblnym4Dcx8Cyadg0dsCN7QV0x++BXm2AZ4IpFq2gP+KIA6rES3gV4cueNumVlposYwcxQlz0LeO5UjwPPDyRMfYyAdyemDnQ/FmN4ZcGnyHDwZNrNjMKnaFK1Jp+swOc9Tjnzf76Kd2tDMbuZ8uCLAnfvAj4M3i3Ngo7CMO8mdt602wO/cY/2nUjeXCuwZnD2h/BUDlW2zs72DMyQHi3hgkOTDXiEkAEPK+0VXnSd+sstzy4N/Cre4tFZQAS8JZ9WnLsEnzICWVkYvFuaIfBGOvy94J1bXDgWngLy+4IueHeiiDMV8NPA49IsEjdV135PPxx8+AjI3Z915gtepjalDb+M6FcJeKco+sEbuyh4w4LaFZh7EvjuEHYu8O7idVfg6W7ltsHj0izY4yzuPozf03t2G34ZaMHbm1294GGK53uKwfPLCFa1cl8L3RV4WCj58ybq/LbB91+VGAu+oxW90edM2Lvop/iaFdo4GAC+q0Od31sF3z3+qeNRO2+izi8I3u8+WfCn5HLUKenpKfh1YBcentbGSgLf3KIPgO/I94FfOaNG5/gOwNM2sXKl0+4c/HrtoZ8IfuXEitOy5NFv6zHgV3YmsFvw7PRn7XcClSwGfuU1owYge0ELX4PtA2/I+/OXdjnuxEkFf7r2h3gMnl9GuPt7aC/II79f4DtZBnzdp3jF2YLn7+I66E/JEO9XGDNtY07a1zhOXxm4t3m85ccQ8K4fbuXbLviO+w7Bd8NdOni3/ZEGz4Nfrz32bmubCv6sQJEi7QhXP3e4yQz8yhnuvCE+Cr5r9APAr9Gi1RlftwY+0OusOte3Cz5pGmpkXvDe2tFr8I2X/ItW6xb9MPBOrkkfWsEZWlV4b7khz05fyUSjq4+d79sEn77jMC940usNBG/Q0yG+D/y6mVSscJT+MrCxyPKjFzyzP+amvlrnAp6baw0Gv/ZfenLKDpMPLCOcGCll0A0IfeBTt0V2Bt5y3y54fnU1AjzdqE8FH+rEY2UQBu8N8qkboU712Dr4YeeIS27Z+nO71sv4LRakGQl+Q1Vs8ungE48+3D0d/NA9AIsDBV+4Xu4P+G5/j647ffBpxYnmnAPAF/QTrUPB+3fDezzdb/CF83RLgmfWnf4gPxz8epUMnv7BusHgE0egTiaBtx9A7vsSdBH6wHJcQmZ9375O+DY2isl8FrvwooyRVeonqovTiR+9Lk5XA32LfL16sRbvNt70Fo+bfLRab6gqlOHG95TuEQ9p8d5R4yqt5Rb1DMJv8oNavNPgd9/VE+5XAnzRZjgGvH/GXKxSAJqTjdVKwHtmS4I384XZwPsnTP3gu23HKvIqFKlXxbwfEvd0N+AdhgPAo/lW7Ok2VBUug423STwF/IYeLa5iAOslovPCWxV7RSOlgOfeCOtRXU3woW9dNP9zUBls+sAn3Ongk4LEViFaK0PZeQuisFoBvzvwXpMf0XmY1Oy1J4eW/c19/cU8b/O/BoBfFZ4bvQ+9JHjKfSj44gzbbQN8YTMcBZ69KdrIiqkD+DJ80UYcBH51hsFz33gjshvw1tMFwG+oKloGm5nA05WhB54B6JVD98Sr6NwgCn5zShv9FQfvDrtzgic9/dbAk56ve2Q0z4uD9xv8qf9M2wXvotlv8PQwaRR4Ztt/3bw+FAJIl7WFE4miTwe/9i+wElkK/CYGMA18cebbeZcxAoZTwBduhoj8AuC5Mwv00El7OqszFnxPOWwWAr+Jttwzf1LDFudI8D01Pa4aD5494Z0I3kfPJbXyEnJanG30/qBU/Z+tgnf+pMqhgQ9c34uB5y+kFDhS755OBHzglNLUh2XA45Jqn0U5f/p4FHh3MkTJ7yX48F+6D902LtxIGD1NauVz9zY1N/62Y7fWWwQ8ng11AJX7V+7djQu2CCx321MsDb5AGQ4A7zatNPDcG0XIB8euRY+Tgv0AkpS/m71xnHdX+EuA92pZV5r1H8zzGaaAtz2Fu/wJ7FJsqIpNnlUVOMM2uwXAe9yDvQ5Cj/eC2DrE3FFpVXiJtwB4/65SW5rlSPBVheHAB3YpZgDfZeg2+agdnkXhQZ4F73PvA2/Q38XQE8FXxE/pdt784MmEoi3N5k9kDgUPFUYx4H3yc4I3Gc4B3h2y0sCHbueuVncx9CaWv1HPLVjpwDg7eLqEwOA98kHwXXmhngKt/2cHX9gMB4H3Dgf6wRPuKeDZ3bw08FvYwKEHJJZ7+9eQB4HHPQXe+GH2JXu3KnvBNxmq8eC9vp6RHreKAPj+6ULSVhPIlsCbVJvMXIZ94LsKw4Fnmncf+GihF06GqMnHwZMtsknDzfpKgme2CSl4t1B7wDt2uPMdBb5qa3R0DYBHTX7L4O2rxVcFPLeG7krTgncghsC73N0hwtv48TNkh/3Gj8I0pMj4Wvg1zenrw8VJH3oy+N7jXEflc98FeO6BHe6DwXt2bhsMtLYA+KKhHgdf4Jo2Hvy03cPGlSsEnu1mWfCWYQx858o08BY6LSmUVuE5qpLAc7V9Mvj4ce6egedbW0EBuhAj4K0nztyA7PHj2STxAVMfCt4Z5EPFydb2rMDzG2lOaSLwbakGwKMG7w4R9HDH3TjwfbDUVSfh7dKCdjEjwQ+/E0BUwcOdCHj/RCaW4fLgnQRd8E2phsFzdpaaY+dsFfo+WNw2LaUC4AtS0xLAByYV2wNPGvy2wQfOTAoWoMkpCt71w50bDAGvcIZtWj75Ji3GURszdNdrMfD8Vu/+gQ+dkhY8wK5YQ+CRG0+wjf8o9lQIe6EC4EuluGJhu5guD744A93cHODpi9N7CT6UWQhgW6w8eMwdzw2YR2kf2ON+HgJfkXfRN57OCZ7ZweRixVSntM33gPePRaMZ7id4z4lR4CvuJMM2LXV+7pCHtFRgbGmzYJ8wML6ttweeNvj9AB9uuU2xsuBVBHyDAts1yxiXQ802CB7IKydHqCZchrsET8hfHfCqD7waAV4xj2L2qB0OFdke8LbRR8E3kVjwwetfa+54mosVUcGQd7Dgz2Gt5dn53D3wAIwDT7iHwTfku94D+gcuQ9VWDwp5C+A98hR8wa9uEjJcFDxuRiz4pwZAI2DnW6WAh/Mzy8Fg7QXfoD/1ucfBbzqJlfA84DF5Ar4ILGsTMlwSvF+cDAf19NwVoO9bkfX/OTcpdF96NVSj4FvykFbTP7AZtuQZ3PSh3c5rGIdR4PFyeG/AU4K94Gt52g/+nJsU2pdeO+4p4KvKlgQ+oTirOvvUkp8HPCJ/l3Dnuhh/7OQz3EfwxAUC/pyZFG5og4+Bt+TP24GBzbBd+fXCqruq2nkfxETw6D1KOq+j4Osi9WdO2wSvSDNaGPwaN/gB4J8ST4eDV6rrrjx3poLn3ijquFPwzbSpGTfDGS4Dvh6paXFyHNS5L0ngz2l31u28Wu5R8DbrPvDsbBKplHKTwiQWAk+2rgn4Fr7CnpJjq/nAm2LoHatNdoR8L/iy6VN99s1WYfvIgQyHgm/JR2Ap3Hl464DJ4NPeNu64n5NOVDnSKWdv8V3iaeCflMpj/5R6wIInzf6UcI+DL1EzDWbYBx65bwpdzQs+6cMSm5Y7Bc+qksA/v310vf738tbRSw+qX1684xiAtN0srvxJ4MsSsx8A/hw1+1OH+8zg2WVEs0XFlbBLfgbwKV8N27Tc5wT/7Li8d1L9+/CkfHh8+Ro2ADGtTXmZpYIvXfaDwLvsTx3uSeDLYN+UCp4MVN3Eal7w3ss19BMqJjOFfJgB/KM7NXuQZycXN4+uPa5iV+J+vboq/6eeqCeDpE2h14xmpMwXmdXArJPiN055H382I6bviOPSpM9eE+n9+vcGPX6COE8YBn+/A3/56uPqp4vXnZpirEbMzhlV3e4ZB8hxLqnDdbM/dXzwL/IH0rJrsL5IqunT3ElStGmpWVu8+3IN+yUN2+AXafGXX35Q/9PUAm1jsJkNB1/nPwo8sHd/ScswHfw5nhMnlHBLfh7w9uUa/ksaGzvOLTDGX/ytBzDQPztxDEDmA58SiQWPCj01LcV7yteOhOJEa+hZwbfvWPD3BR3us8/qq17+3tHR0XE7xRfwjAr1CWoA+NgJb0c+/CWNjTOvnRF8QLT9kcusd3bOq7YKvt0MikUaAN4bDFTyO4z+h+5D4EMvg2zc9fDhgi9V/Om4V3cCqgTwZf9Mrsv4CSafBl6pTTV/CN7btOTD7/1t4pQFPN97pBwOpBRn/fEcDD6y5eesEDZ1Whv+0jciH6pDboMX8GlpzQgebn4g8hu680N3zWvudVobfPwwZFLoNvidg09YlrGq6eD5l/UiaS0GvobZuwGwaVX1D9Gj1GDngcDTLZXDAc+d4+8cvLkA4IPv3QDYWJX5UbH3iCMqdY7BcyeeRAQ8t2UUPRwIFGd7Duz19X2GG0fV8YONyFTwPvcndCN1m+CDry/1qSaD516Fiqa1IPiKSdxwg1QOQebmXOCg6JyC99FzC0/7eNo8JC2rkGj7IzfBTSn0fQDPPPII8PY40GvyMcPNxlNt3EiBqyZJ4DF6erJRLtPiVfxqc1S1ffC9PiSAdw4H0sFvYqrQVRMPvMLpuC3OosdV1L+cpE1sWjAh0fZHvtfrL+Gx4Jm7et0liMFpLQn+fBM2ZHdd/D7Av2qCxMzjcINHV03IgV132W4J8EmXIIKqPQQ/cI8YN/mgIb/49sGf46smLnOl7DLQcQTvN7tLEvRlEBtHm5i0YEKi7Y+Byt9TnqzqKoLHO0Zp4DdUhch73bML3lkg9oE36JthI/CI2sSjBRMSbX8cdUDCqxLtuJsfPvdtgffbketbCPyGqjB5OiGDtZu3K/CU9PTMToV6ihq7/4jaxKIFExJtf7RlMGS7lFWl2gV2KfYNvE+Yo+Vh3hBNW7bs1ozX4Nn+Mbpw0SYONQuJtj8uN6MOq/iLjjsATx4ag6/FNyS1gW7mpW25p4GPq7RxmsYJibY/Lji+hlXc9lT4mvQkH2KHA8xDk8My+64tqGgvcLXBL9LaIirmTvuegneg0g6AxtoMAO9z3wH4hQo9oiL7krFLk1N8iIBna/vgCzF+9bhC4KMfrhmgGmTnN63tg+dr+1TwvXv8LPiRG6P3udkAAA2ISURBVCjauEzjhETbH8ferJwK3i9hAb9t8COv20wGj19zj9+dm+JD6HAgVNOGXnolqshWL1KRnn674Mcevk8Hj9523jr4YIaTwQfW/zHwY7dMtfGYxgmJTk15kGqwnbN7uT/g8dv3Y8D3rfkEvH3pdcF5Bg8+kuF08D27PALevvKwbfDRic2wV9k48Od0x48I5Z4T+NCbUHP6wB0HLg0+fIQn4BtRvRym+uB8c4H5fhBjOAv4wKF9h92Z+48/HdPGXxonJDo15UGqcXbsexGzgqe4U6ceU8Dz13TOu/+XPXj2evy2fVgCPHcxr/kfeEc/V/BJX1RY2gd+zjkNPL2K62qDdwIGeKqNtzROSHR6GQxQjU7qUMGzt7GIKmPwe+fDbODJbSymExDwe+TDgM/OxcF7t7GYYX/K1SdtnKVxQqInZBZWCXhO41zK2XATfQG/Vz4kvXSXBB5wP/Wxx24BpXuqja80Tkj0hMzCqjzBh26Lu+hhF5ePJeD3y4dU8Mr/eA5rt3lKb+sJ+P30offdqxYbfU8gvjGPY0275aqNqzROSPSEzMKq7MCr5k40/yHsJJWA3zsfej7T1N1RfWIiXxHwSZ+Izlv6viitBsVOSmSwDAefWqUGqXJq8eRNw3G3cye+0KBN1jROSPSEzMKqwwI/9NsdYy5pTr1Trk3ONE5I9ITMwqpswPN/uFwNv8Ah4PfSh8AnHMJ/b3nwOb6A30sf+A8cxi6CDzzVm3ynXJtcaZyQ6AmZhVWHBt4s1PAnTemlEWQ47HBHwF8JH/pvaZYDD3cE/AH5oHo3fjrV9Dvl2mRJ44RET8gsrNp5oe+HD9Gv9Qr4hVT74EPa18fnuFqsTX40Tkj0hMzCqn0o9L3wIenr4wL+EH1I+UN3Av4gfej7+vjovwog4Pfdh8jXx8/ph4dGZahNRjROSPSEzMKqPSr0/fAh8PVx8tn50Rlqkw2NExI9IbOwaq8KfT98oF8f775ELeAP2wf816uczT8Bf+g+OF8fn3SlllFpkwGNExI9b/7zJ3VYPvR9fXy0SpvkaZyQ6Hnznz+pQ/Oh/+9ljVJpkziNExI9b/7zJyU+JKk0hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hAI+Ox80hBz457ePrnf/tr8I+EPxQUPIgX92XN47af9tfxHwh+KDhpAD/+hOzbz5t/lFVzLto8kieyJh8Pcb8PBv+4u0+EPxQUOY2uJLAX8oPmgIZYzPzgcNYXBWf/nqY5nVH6QPGkJZx2fng4ZQwGfng4ZQwGfng4ZQwGfng4ZQwGfng4ZQwGfng4ZQwGfng4ZQwGfng4ZQwGfng4ZQwGfng4ZQwGfng4ZQwGfng4ZwcfDPv/mAxrp4fbLdnIZGgwwHZDiP6uDAl89OaKznt69PtZvTsNG4hkMynEW1z+D75bN/5ujP/pjz+x/5U76mks/8Yf0H//RP/1jMcKxduqEvnGGC3Wf+5J8gus/+dDSnaYZzZDgUvFsHAqr7dy5vnTiqy9fefVDf4HJUv/P42bXH5cUrOClkmGQ3OkMwvLh5VCkdjW8YytB/aNS9GJXbS6Qb6pIYLprhbOD/0NHRSfnw6KX/hkrq/le7m1tGdfmP79Tla8dT/YwYJtmNzhDy8ysMMWQy/CyqLJU8PCGqsvzMD//3L72OdUmG+jkxXDTDceCxPP9h+f6tlx6Uv1defPHxw6Y8TZt69qUvPr7/C48dVVW4dfle/Pwd3nCsXZJh2dq5FYYaUru6tuDKUtJeohLoJpxeYrTh4hlOB19n/cGtk8tbdUu6uPkXqzKrCu56lVNVbpevvn8TXKjxgOry1bZ8keH/GWk3JMOqwlw2dlWF+e2fZQ0Zu/dvvVG1+9+jlQX1ErXqA+gmul5irOE2MpwC/vnto6Nj0yU+O37+X+oqVZVWefF29cP/+9YdGB+rHyHry6/806MjUF3cPKGGY+3SMnyjtjONo7W7uPmXiCHNsK0sZV1bvmZ7F1M1ul4C1KAy3UTTLY0z3FKGU8DXfcfvmC7x8tXf/VbVjl6//HJd96rk65zqXCoVoKmv6t671vjjG/7KSLvUDMHONA5jV1JD3w5VlhJqy8XNX7zZ9BL3oWrUvcSv1M2nqizXoP5UafynvzzO8Pf/yVYzHA3+4vXnvwYdoekSYQCpppd1hatrXJ35Maj+PJSwqXa1ijEca5do+MvGzjQOM9JRQ98OVZbH/7euLU738r6pZW1XVVWW+//e1J+bf3+k4V/5e1vNcDT457f/Qj2yVMmZLrGWZnr57BipPqhL+KSKWGfNGo61SzU8ArsP7GDPGHp2z2llqdLoeoljU8taFURrKt5Iw21nOAr8794+uva/fun1H9TN6RWrqle91aSyXTe0qsatR3c4w7F2iYYG6T8zdgYyNeTsnn+TVJa68LpeAqu+3lay8YbbznAM+HoOUXWQr5T3jo5eeuCo0HZ3p/qNroSp4Vi7RMMWqbVjDJHdz/yDoxdhlveDrrJUBWZUpljrBvN1X/XoThdroOE7I+1GZ9jUhEHg6/ljt8Rtiq7R/cCuelEsRmUMx9qlGTZrFgSZGDJ2D6v6cfnlr9bT3rayOKqy6SXiqkGGW8+wZZkO/t71+qzq3QdV+ZhhsPrB6t5puhASizX85yPt0jIEAY1FSgyp3fcfNAPhQ7Ocq+X7D3wVE+vyVrUK9Awr3Qd9sS5vHZMMKx1JncSqZ2u+YaVLiGUlDXy9dn733x5X1s9v103m0Z3vP/B0leo3SSxq+M6tP/fznl3VQfXbVbH+jp8hY9gtX6vlWKWpkf7Df+R7+q+/Th01Pb4prYuvtutg0CEVE6sq3Kp2eYa1ridWpan+IXYPT3w7EuvedeIp6PpjDQNfVfKLLz5+dOf+O6/VNef+374Dz+/pKhWNde19L1L1+F8iqocv+XbHJKkq1teIYbXgRrHMw9bePfsaaCqkddPGhveuewro8OtfzdwRpr1W16p+kcYyq+VXSvOfYwiKSCzYbny7NIts1+5tM5lx7FAsUF2+Vk/ZsCHoYrF8qAngoZLDdOIr/6IaNY5+tn1+R1evFCsV1kAl71S/fdQ+Po4F8xLf7uGJlyE8v2dYqb5tNbA/UT/sw2u//2++8hsnRmOeHxnWGqwwOzewFnr+zd+8VVceR9eomFityonl6oKxWs2zN26f+HaV7g1s58Qyqou36/ELG4IuEotID/i6Nn0LKvn9b1eLwmpu4D5/q2tmjZWq1YDqfajhjcp9fM+uUmG7t91I7vN7hpXqxdYQov07eNiLX/i1et/dff7GsGlV9YK3tSvbFW5pNrMfNssNR2dUTKxWBQOoZ1jrQrFaDeg8u1qH7ZxYRvXo2/VWHTY0unCsgeCbQq8ht+c97vM3ug7NsY1lq0cbyXl8z67eUsR2NWQ/wzqeZ1ipvtQeQ0E0+7CP3kDPbwyNHWjQ8RWscE+cnFgdE6tR3X/n1kt+NEcX0lQDzr0TLy1Xx8QC1c/8cnnP9x7puFi+9IDvdjGjJdL8SFXuXJJ5/CY+o3ItmRJpUqcFdx0e9vkP+ec3dv+ZLZFnZBTkdEysap15229VVMdpSrvfGNQxsUZ7iqSnqzeFjpoCk2rDlKpQUyjJ45tIVPU1RLTJ0H3+JkOu4MqYhnEUIqEVbkjHxBpruPUMqSRM7rzSDKTKtYW/6yIdYHeMiCYapj5/X1PIRHrAp9Sd5Ko5m11irPnsDlDmuHolcgVFwGcqAj5TEfCZioDPVAR8piLgMxUBn6kI+ExFwGcqAj5TEfCZioDPVAR8piLgMxUBn6kI+ExFwFfy0ef/51/73q6d2LII+LIG/z8+L+AzlI/++M+pT33vQ6U+DT/+1JvqhV27tLgI+LJp8R9Vjf47Nz768bfq/w6/AxDwZQO+avBKvfAR1AABn4cY8J82Pwr4fMR09T/+1idv3hDwOUm1nHu5ndwJeJGDFgGfqQj4TEXAZyoCPlMR8JmKgM9UBHymIuAzFQGfqQj4TEXAZyoCPlMR8JmKgM9UBHymIuAzFQGfqQj4qgx86Y+yfSfnlgN4hMmizrFw4M+QHECpHcAjTBYBn6kI+ExFwB+WfPKmUj/yFtXe8FUC/qDkkzdfKMsPf/S7RJ0I/qPP1e/StVFY8HXqTHpXQg4X/Iefqt+G+fW3SvOGzE+8XIXle+oP/NyNsn0huqkVAfA/6SQWAF91KB99TsDvl7zXtNbm9ec/+t2Pv/DdKqxAdS9ENzHVBgkLfuVKB/4n/mb53/+6gN8vqcF/R6kb3evPn3zjLdBZTRMz3NV3A0Wgxf/Ur/7Wr/4HAb9fYrr6CnP7+rMF32qamOO7+hd+/V/9y/cE/H4JTO4+fvlG9/pzBb7u8B1NE3MC+A//xg0Bv3dSdfSqotK+/lyBryZ3P/LHbnSaJt4E8NW8QcBfWZF1fKYi4DMVAZ+pyHm8SD4i4DMVAZ+pCPhMRcBnKgI+UxHwmYqAz1QEfKYi4DMVAZ+p/H9yeMzHPeb7hQAAAABJRU5ErkJggg==" alt="plot of chunk excluderesidvar" />
<p class="caption">plot of chunk excluderesidvar</p>
</div>
<p>Here, more difference emerges, but we see that the differences are not very precise.</p>
</div>
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