5-2 决策树算法预测销量高低代码

#-*- coding: utf-8 -*- import pandas as pd inputfile = '../data/sales_data.xls' data = pd.read_excel(inputfile, index_col = u'序号') data[data == u'好'] = 1 data[data == u'是'] = 1 data[data == u'高'] =
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