求助：KeyError: "None of [Float64Index .are in the [columns]"是什么原因

最新推荐文章于 2024-05-08 23:33:54 发布

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最新推荐文章于 2024-05-08 23:33:54 发布 · 3.2w 阅读

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#python

代码：
import pandas as pd

import numpy as np

sample_set = pd.read_excel(‘C:\Users\四维空间里的散点\Desktop\190225.xls’)
time = sample_set[‘经营年限’]

def calc_score_median(sample_set, var):
‘’’

计算相邻评分的中位数，以便进行决策树二元切分

param sample_set: 待切分样本

param var: 分割变量名称

'''

var_list = list(np.unique(sample_set[var]))

var_median_list = []

for i in range(len(var_list) - 1):
    var_median = (var_list[i] + var_list[i + 1]) / 2

    var_median_list.append(var_median)

return var_median_list

time_list = calc_score_median(sample_set,time)
报错：
File “C:\Users\四维空间里的散点\AppData\Roaming\Python\Python37\site-packages\pandas\core\indexing.py”, line 1354, in _convert_to_indexer
return self._get_listlike_indexer(obj, axis, **kwargs)[1]
File “C:\Users\四维空间里的散点\AppData\Roaming\Python\Python37\site-packages\pandas\core\indexing.py”, line 116