e data frame. See <code><a href="scdf.html">scdf()</a></code> to learn about this
format.</p></dd>


<dt id="arg--">...<a class="anchor" aria-label="anchor" href="#arg--"></a></dt>
<dd><p>Names of variables to be standardized.</p></dd>


<dt id="arg-m">m<a class="anchor" aria-label="anchor" href="#arg-m"></a></dt>
<dd><p>The target mean. If set NULL, it is not changed.</p></dd>


<dt id="arg-sd">sd<a class="anchor" aria-label="anchor" href="#arg-sd"></a></dt>
<dd><p>The target standard deviation. If set NUL