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<a name="Running-Statistics-Adding-Data-to-the-Accumulator"></a>
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<p>
Next: <a href="Running-Statistics-Current-Statistics.html#Running-Statistics-Current-Statistics" accesskey="n" rel="next">Running Statistics Current Statistics</a>, Previous: <a href="Running-Statistics-Initializing-the-Accumulator.html#Running-Statistics-Initializing-the-Accumulator" accesskey="p" rel="previous">Running Statistics Initializing the Accumulator</a>, Up: <a href="Running-Statistics.html#Running-Statistics" accesskey="u" rel="up">Running Statistics</a> &nbsp; [<a href="Function-Index.html#Function-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Adding-Data-to-the-Accumulator"></a>
<h3 class="section">22.2 Adding Data to the Accumulator</h3>

<dl>
<dt><a name="index-gsl_005frstat_005fadd"></a>Function: <em>int</em> <strong>gsl_rstat_add</strong> <em>(const double <var>x</var>, gsl_rstat_workspace * <var>w</var>)</em></dt>
<dd><p>This function adds the data point <var>x</var> to the statistical
accumulator, updating calculations of the mean, variance,
standard deviation, skewness, kurtosis, and median.
</p></dd></dl>

<dl>
<dt><a name="index-gsl_005frstat_005fn"></a>Function: <em>size_t</em> <strong>gsl_rstat_n</strong> <em>(gsl_rstat_workspace * <var>w</var>)</em></dt>
<dd><p>This function returns the number of data so far added to the accumulator.
</p></dd></dl>




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