first commit
tp commit
first commit of feature selection, interface is done
fisrt version
untrack .o and .model files
bug fixed for case where feature selection is discarded
untrack *.o, *.model, the first untrack failed
This version can handle the case where feature_selection is given as a input file
Feature Selection Done, but slow efficiency
feature selection: efficiency improved
further improve the efficiency
cross validation dataset generated
L2 finished, and feature selection has been made an individual file
add some shell scripts
Merge branch 'train_l2'