Shadow

from math import log import operatorclass ClassTree: def __init__(self): pass def calcShanonEnt(self,dataSet): lenDataSet = len(dataSet) labelCounts = {} for feat

代码部分 # -*- coding:utf-8 -*-  #统计 #运行环境python2.7 #需要安装python,numpy,pandas,matplotlib等 import sys reload(sys) sys.setdefaultencoding('gb18030') #sys.setdefaultencoding('utf8') import numpy