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<h1>22. Virtuoso Functions Guide - REGR_AVGY</h1>
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<h2>REGR_AVGY</h2>
<div class="refpurpose">Evaluates the average of the independent variable (expr1) of the regression line.</div>
<div class="funcsynopsis">
<span class="funcdef">numeric <span class="function">REGR_AVGY</span>
</span>
(<span class="paramdef">in <span class="parameter">expr1</span> any</span>,
<span class="paramdef">in <span class="parameter">expr2</span> any</span>);
</div>
<div class="refsect1">
<div class="refsect1title">Description</div>
<p>REGR_AVGY evaluates the average of the independent variable (expr1) of the regression line. It
makes the following computation after the elimination of null (expr1, expr2) pairs:</p>
<div>
<pre class="programlisting">AVG(expr1)</pre>
</div>
</div>
<div class="refsect1">
<div class="refsect1title">Parameters</div>
<div class="refsect2">
<span class="refsect2title">expr1 – </span>
Number expression.</div>
<div class="refsect2">
<span class="refsect2title">expr2 – </span>
Number expression.</div>
</div>
<div class="refsect1">
<div class="refsect1title">Return Types</div>
<p>The function returns a value of type NUMERIC. If the function is applied to an empty set, then it
returns null.</p>
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<div class="refsect1title">See Also</div>
<p>
<a href="fn_var.html">VAR()</a>
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<a href="fn_var_samp.html">VAR_SAMP()</a>
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<a href="fn_var_pop.html">VAR_POP()</a>
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<a href="fn_stddev.html">STDDEV()</a>
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<a href="fn_stddev_samp.html">STDDEV_SAMP()</a>
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<a href="fn_stddev_pop.html">STDDEV_POP()</a>
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<a href="fn_regr_syy.html">REGR_SYY()</a>
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<a href="fn_regr_sxx.html">REGR_SXX()</a>
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<a href="fn_regr_sxy.html">REGR_SXY()</a>
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<p>
<a href="fn_regr_avgx.html">REGR_AVGX()</a>
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<a href="fn_regr_avgy.html">REGR_AVGY()</a>
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<a href="fn_regr_r2.html">REGR_R2()</a>
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<a href="fn_regr_count.html">REGR_COUNT()</a>
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<a href="fn_regr_intercept.html">REGR_INTERCEPT()</a>
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<a href="fn_regr_slope.html">REGR_SLOPE()</a>
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<a href="fn_covar_samp.html">COVAR_SAMP()</a>
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<a href="fn_covar_pop.html">COVAR_POP()</a>
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<a href="fn_corr.html">CORR()</a>
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