g>BIC</strong>: Bayesian Information Criterion, <strong>AICc</strong>: Akaike Information Criterion Corrected for small sample size</em>) over all eigenSplines generated by <code><a href="get_eigen_spline.html">get_eigen_spline</a></code>.
The degree of freedom (<em>df</em>) is obtained by averaging the optimal <em>df</em> across each eigenSpline.
The weighted degree of freedom (<em>wdf</em>) is obtained by weighting the optimal <em>df</em> in each eigenSpline by the percentage of variance explained by each