      5.006         3.428          1.462         0.246
Versicolor-mean              5.936          2.77           4.26         1.326
Virginica-mean               6.588         2.974          5.552         2.026

</pre><img vspace="5" hspace="5" src="demoTable_05.png" alt=""> <h2 id="4">Principal Component Analysis</h2><pre class="codeinput"><span class="comment">% Apply Principal Component Analysis on the quantitative variables</span>
irisPca = Pca(tab(:, 1:4), <span class="string">'display'</span>, <span c