mybulesky的专栏

from math import *from numpy import *# 加载数据集def loadDataSet(): postingList=[['my','dog','has','flea','problems','help','please'],['maybe','not','take','him','to','dog','park','stupid'],['m

from math import logdef calcShannonEnt(dataSet):                                //计算你传给我的数据集的熵      输入参数: 数据集合numEntries=len(dataSet)labelCounts={}for featVec in dataSet:currentLabel=featVec