Container for results of feature selection.
Contains the obtained features, their performance values
and the optimization path which lead there.
You can visualize it using analyzeFeatSelResult.
Object members:
Learner that was optimized.
Control object from feature selection.
Vector of feature names identified as optimal.
Performance values for optimal x.
Vector of finally found and used thresholds
if tune.threshold was enabled in FeatSelControl, otherwise not present and
hence NULL.
Optimization path which lead to x.