Use the drop-down menu to select the similarity measure to be used for optimizing the predictor set.

See Pearson Product-Moment Correlation for more information. See Hoeffding Dependence Coefficient for more information. Choose this option to compute a nonparametric measure of association based on the number of concordances and discordances in paired observations .See Kendallâ€™s Tau-b Correlation Coefficient for more information. See Spearman Rank-Order Correlation for more information.

Make sure that the Optimize the continuous predictor set check box is checked.