search for: tp20912229p20914146

Displaying 1 result from an estimated 1 matches for "tp20912229p20914146".

2008 Dec 09
4
Pre-model Variable Reduction
Hello All, I am trying to carry out variable reduction. I do not have information about the dependent variable, and have only the X variables as it were. In selecting variables I wish to keep, I have considered the following criteria. 1) Percentage of missing value in each column/variable 2) Variance of each variable, with a cut-off value. I recently came across Weka and found that there is an