xgboost/demo/CLI/regression/mknfold.py
Jiaming Yuan dfac5f89e9
Group CLI demo into subdirectory. (#6258)
CLI is not most developed interface. Putting them into correct directory can help new users to avoid it as most of the use cases are from a language binding.
2020-10-28 14:40:44 -07:00

29 lines
481 B
Python
Executable File

#!/usr/bin/python
import sys
import random
if len(sys.argv) < 2:
print('Usage:<filename> <k> [nfold = 5]')
exit(0)
random.seed(10)
k = int(sys.argv[2])
if len(sys.argv) > 3:
nfold = int(sys.argv[3])
else:
nfold = 5
fi = open(sys.argv[1], 'r')
ftr = open(sys.argv[1] + '.train', 'w')
fte = open(sys.argv[1] + '.test', 'w')
for l in fi:
if random.randint(1, nfold) == k:
fte.write(l)
else:
ftr.write(l)
fi.close()
ftr.close()
fte.close()