n the Principal Components, you must use
<a href="predict.big_SVD.html">predict</a> on the result. See examples.</p>
    </div>
    <div id="details">
    <h2>Details</h2>
    <p>To get \(X = U \cdot D \cdot V^T\),</p><ul><li><p>if the number of observations is small, this function computes
\(K_(2) = X \cdot X^T \approx U \cdot D^2 \cdot U^T\) and then
\(V = X^T \cdot U \cdot D^{-1}\),</p></li>
<li><p>if the number of variable is small, this function computes
\(K_(1) = X^T \cdot X \approx V \cdot D^2 \cdot 