KDnuggets : Polls : Feature selection (Oct 2003)
Poll
How frequently do you do a separate feature selection in classification (rather than have a learning algorithm do selection) [104 votes total]

Always (20) 19%
Most of the time (19) 18%
Frequently (35) 34%
Rarely (21) 20%
Never (9) 9%

Comments

Peter van der Putten (KiQ), manual AND automatic
In almost all cases I do *both* manual and automatic selection, I think this is quite common for commercial datamining.

KDnuggets : Polls : Feature selection (Oct 2003)

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