在python中制作字符串值的直方图 [英] Making a histogram of string values in python

问题描述

好的，所以我有六个可能的数据值，分别是'32'，'22'，'12'，'31'，'21'和'11'.我将这些存储为字符串. python是否可以对数据进行排序，然后仅创建六个bin并显示我有多少个bin?还是直方图的输入必须是数字的?

OK so I have six possible values for data to be which are '32', '22', '12', '31', '21' and '11'. I have these stored as strings. Is it possible for python to sort through the data and just make six bins and show how many of each I have? Or do the inputs to a histogram HAVE to be numerical?

推荐答案

data =  ['32', '22', '12', '32', '22', '12', '31', '21', '11']
dict((x, data.count(x)) for x in data)

结果

{'11': 1, '12': 2, '21': 1, '22': 2, '31': 1, '32': 2}

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