e>tt</code> in the code) are not centered,</p></li>
<li><p>Added code to calculate the total variance in the <code>Y</code>
      matrix, <code>Ytotvar</code>, and the variance in <code>Y</code> accounted for
      by each PLS axis, <code>Yvar</code> (See Value below), and</p></li>
<li><p>Additional components are returned if argument <code>stripped</code>
    is <code>TRUE</code>.</p></li>
</ol>

<p>This function should not be called directly, but through
  the generic function <code><a href='coca.html'>co