[Python] scaler save, load(저장, 불러오기)

- Scaler 저장

from pickle import dump
from sklearn.preprocessing import MinMaxScaler

mm = MinMaxScaler()
# scaler 적용
mm.fit(df[['col']])

# scaler 저장
dump(mm, open('minmax_scaler,pkl', 'wb'))

- Scaler 불러오기

from pickle import load

scaler = load(open('minmax_scaler.pkl', 'rb'))