'list' object has no attribute 'values'

Question

运行fasttext形成文本的时候，出现了下面的问题：

# coding=utf-8
import pandas as pd
import numpy as np
import fasttext
from sklearn import metrics

with open('train_abstract.txt','w',encoding='utf-8') as f:
    for i in range(len(X_train.todense())):
        str1 = str(X_train.todense()[i])+"\t"+"__label__"+str(y_train.values[i])+'\n'
        f.write(str1)

with open('test_abstract.txt','w',encoding='utf-8') as f:
    for i in range(len(X_test)):
        str1 = str(X_test.values[i])+"\t"+"__label__"+str(y_test.values[i])+'\n'
        f.write(str1)

AttributeError                            Traceback (most recent call last)
<ipython-input-38-1b98cdb96387> in <module>()
      7 with open('train_abstract.txt','w',encoding='utf-8') as f:
      8     for i in range(len(X_train.todense())):
----> 9         str1 = str(X_train.todense()[i])+"\t"+"__label__"+str(y_train.values[i])+'\n'
     10         f.write(str1)
     11 

AttributeError: 'list' object has no attribute 'values'

请教大家如何解决这个问题。

Answer 1

list没有values属性，如果y_train已被转换成了一个列表，可用pd.Series再转换成一维数组结构，就可用values属性。

x=[1,2,3,5]
print(pd.Series(x).values)