"></a></dt>
<dd><p>A <code>numeric</code> vector of observations of the outcome variable. For
<code>family="mgaussian"</code>, <code>Y</code> is a matrix of observations of the
outcome variables.</p></dd>


<dt id="arg-formula">formula<a class="anchor" aria-label="anchor" href="#arg-formula"></a></dt>
<dd><p>A character string formula to be used in
<code><a href="formula_hal.html">formula_hal</a></code>. See its documentation for details.</p></dd>


<dt id="arg-x-unpenalized">X_unpenalized<a class="anchor" 