[数据处理] LabelEncoder编码

  1 # -*- coding: utf-8 -*-
  2 from sklearn.preprocessing import LabelEncoder
  3 le = LabelEncoder().fit([1,111,122,188,999])
  4 le_transform = le.transform([999,122,111])
  5 print(le_transform)
  6 """
  7 [4 2 1]
  8 """