weixin_40584771的博客

#-*- coding: UTF-8 -*- from numpy import * import operator from os import listdir def classify0(inX,dataSet,labels,k): dataSetSize = dataSet.shape[0] #获得训练集的第二维长度即行数，shape[1]为获得第一维长度即列数 diffMa

#-*- coding: UTF-8 -*- from numpy import * def loadDataSet():#创建包含文档的训练集和各文档对应的标签列表 postinglist = [['my','dog','has','flea','problems','help','please'], ['maybe','not','take','