de><a href="https://www.rdocumentation.org/packages/stats/topics/ppr">stats::ppr()</a></code>
</li>
<li>“princomp” from <code><a href="https://www.rdocumentation.org/packages/stats/topics/princomp">stats::princomp()</a></code>
</li>
<li>“qda” from <code>MASS:qda()</code>
</li>
<li>“rlm” from <code><a href="https://www.rdocumentation.org/packages/MASS/topics/rlm">MASS::rlm()</a></code>
</li>
<li>“rpart” from <code><a href="https://www.rdocumentation.org/packages/rpart/topics/rpart">rpart::rpa