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513271
2008 Apr 20
1
Stepwise logistic regression....take too long...
Dear R helpers,
I'm trying to build logistic regression model large dataset 360 factors and
850 observations. All 360 factors are known to be good predictors of outcome
variable but I have to find best model with maximum 10 factors. I tried to
fit full model and use stepAIC function to get best model but unfortenatly,
the process takes too long to complete (more than 4 hours)...
Is it