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- #数据读取
- import pandas as pd
- df=pd.read_csv('D:\\本人\\必须冲!\\学nlp\\安徽.csv') #此处路径需要修改
- with open('实验.txt','w+',encoding='utf-8') as f:
- for i in range(len(df)):
- f.write(str(df['内容'][i])+'\n')
- import codecs
- import re
- import numpy as np
- import pymysql
- from snownlp import SnowNLP
- import matplotlib.pyplot as plt
- from snownlp import sentiment
- from snownlp.sentiment import Sentiment
-
- comment = []
- with open('安徽.txt', mode='r', encoding='utf-8') as f:
- rows = f.readlines()
- for row in rows:
- if row not in comment:
- comment.append(row.strip('\n'))
- key=[]
- values=[]
- re=[]
- def snowanalysis(self):
- sentimentslist = []
- for li in self:
- #text = re.sub(r'(?:回复)?(?://)?@[\w\u2E80-\u9FFF]+:?|\[\w+\]', ',',li)
- s = SnowNLP(li)
-
- key.append(li)
- values.append(s.sentiments)
- sentimentslist.append(s.sentiments)
- plt.figure(figsize=(12,8))
- plt.hist(sentimentslist, bins=np.arange(0, 1, 0.01))
- plt.show()
-
- snowanalysis(comment)
- res=pd.DataFrame({'评论':key,'评分':values})
- #保存文件为excel格式
- res.to_excel('D:\\本人\\必须冲!\\学nlp\\安徽(实验).xlsx') #此处路径需要修改�
复制代码
C:\Users\lyl\PycharmProjects\pythonProject1\venv\Scripts\python.exe "D:/本人/必须冲!/学nlp/微博评论评分 - 可用.py"
Traceback (most recent call last):
File "D:/本人/必须冲!/学nlp/微博评论评分 - 可用.py", line 4, in <module>
df=pd.read_csv('D:\\本人\\必须冲!\\学nlp\\安徽.csv') #此处路径需要修改
File "C:\Users\lyl\PycharmProjects\pythonProject1\venv\lib\site-packages\pandas\io\parsers.py", line 610, in read_csv
return _read(filepath_or_buffer, kwds)
File "C:\Users\lyl\PycharmProjects\pythonProject1\venv\lib\site-packages\pandas\io\parsers.py", line 468, in _read
return parser.read(nrows)
File "C:\Users\lyl\PycharmProjects\pythonProject1\venv\lib\site-packages\pandas\io\parsers.py", line 1057, in read
index, columns, col_dict = self._engine.read(nrows)
File "C:\Users\lyl\PycharmProjects\pythonProject1\venv\lib\site-packages\pandas\io\parsers.py", line 2061, in read
data = self._reader.read(nrows)
File "pandas\_libs\parsers.pyx", line 756, in pandas._libs.parsers.TextReader.read
File "pandas\_libs\parsers.pyx", line 771, in pandas._libs.parsers.TextReader._read_low_memory
File "pandas\_libs\parsers.pyx", line 827, in pandas._libs.parsers.TextReader._read_rows
File "pandas\_libs\parsers.pyx", line 814, in pandas._libs.parsers.TextReader._tokenize_rows
File "pandas\_libs\parsers.pyx", line 1951, in pandas._libs.parsers.raise_parser_error
pandas.errors.ParserError: Error tokenizing data. C error: Expected 1 fields in line 3, saw 2 |
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