sklearnで交差検証をする時に使うKFoldの備忘録 - Qiita

for i in kf.split(data): print(i) # > (array([ 0, 1, 2, ..., 9996, 9998, 9999]), array([ 6, 10, 11, ..., 9994, 9995, 9997])) # > (array([ 0, 1, 2, ..., 9997, 9998, 9999]), array([ 3, 5, 15, ..., 9981, 9985, 9987])) # > (array([ 2, 3, 4, ..., 9995, 9996, 9997]), array([ 0, 1, 7, ..., 9992, 9998, 9999])) # > (array([ 0, 1, 3, ..., 9997, 9998, 9999]), array([ 2, 4, 8, ..., 9990, 9993, 9996])) for i,