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pandas
all_columns = list(food_info.columns.values) #the first two columns don‘t need to be normalized all_columns = all_columns[2:len(all_columns)] for column in all_columns: food_info[column] = food_info[column] / food_info[column].max()
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原文地址：http://www.cnblogs.com/arsh/p/5128874.html
