search for: rfsbf

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2023 Jul 09
0
caret package
...r all, I am using caret package to analyze a microarray dataset with feature selection using sbf(). My dataset is 3500 samples with 2200 genes, the outcome Y variable is a factor of 12 levels. I used the following script to run the feature selection: library(caret) ctrl <- sbfControl(functions=rfSBF, method='repeatedcv', repeats=5) ### x is a matrix of 3500x2200, y is a factor of 12 levels obj <- sbf(x, y, sbfControl=ctrl) But it has been more than 15 hours, the code is still running! My computer has the following specifications: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz 2....