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rises
2011 May 01
0
Dummy variables using rfe in caret for variable selection
...ns fine.
#remove State variable
Desc <- chlDescr[,-c(1)]
lmProfile <- rfe(Desc, y, sizes = subsets, rfeControl = ctrl)
Returns:
Recursive feature selection
Outer resamping method was 10 iterations of cross-validation.
Resampling performance over subset size:
Variables RMSE Rsquared RMSESD RsquaredSD Selected
1 0.2462 0.7454 0.09529 0.17362
2 0.2408 0.7680 0.07860 0.12543
3 0.2134 0.8285 0.06649 0.09043
4 0.2011 0.8609 0.03463 0.05928 *
5 0.2019 0.8622 0.03421 0.05675...