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<title>ploticus: working with missing data</title>
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<td><br><h2>working with missing data</h2></td>
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<a href="Welcome.html"><img src="ploticus.gif" border=0></a><br>
<a href="Welcome.html">Welcome</a>
<a href="../gallery/index.html">Gallery</a>
<a href="Contents.html">Handbook</a>
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<title>Manual page for working_with_missing_data(PL)</title>
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<h2>DESCRIPTION</h2>
Ploticus can handle missing plot data values.<tt> </tt>
In data sets that are to be plotted, missing items
should be denoted by a value that is not plottable, e.g.<tt> </tt>
for numeric data, a value that is non-numeric.<tt> </tt>
The plotting procedures omit non-plottable values (the details of
how this is handled are given in the man page for each plotting proc).<tt> </tt>
<h2>EXAMPLES</h2>
An Gallery example involving missing numeric data represented
by dashes(-) is
<a href="../gallery/volunteers.htm">
volunteers
</a>
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<br>
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<a href="Welcome.html">
<img src="ploticus.gif" border=0></a><br><small>data display engine <br>
<a href="Copyright.html">Copyright Steve Grubb</a>
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<img src="../gallery/all.gif">
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