></code> function. The
<code><a href="../reference/attrisk_analysis.html">attrisk_analysis()</a></code>, <code><a href="../reference/relrisk_analysis.html">relrisk_analysis()</a></code>,
<code><a href="../reference/diffrisk_analysis.html">diffrisk_analysis()</a></code>, <code><a href="../reference/change_analysis.html">change_analysis()</a></code> and
<code><a href="../reference/trend_analysis.html">trend_analysis()</a></code> functions all share very similar syntax
with the <code><a href="../reference/cat_