#==========自适应数据加载函数================================
def loadDataSet(fileName):
numFeat = len(open(fileName).readline().split("\t"))
dataMat = []
labelMat = []
fr = open(fileName)
for line in fr.readlines():
lineArr = []
curLine = line.strip().split("\t")
for i in range(numFeat-1):
lineArr.append(float(curLine[i]))
dataMat.append(lineArr)
labelMat.append(float(curLine[-1]))
return dataMat, labelMat
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