解决Python中pandas读取*.csv文件出现编码问题

1、问题

在使用Python中pandas读取csv文件时，由于文件编码格式出现以下问题：

Traceback (most recent call last):
File "pandas\_libs\parsers.pyx", line 1134, in pandas._libs.parsers.TextReader._convert_tokens
File "pandas\_libs\parsers.pyx", line 1240, in pandas._libs.parsers.TextReader._convert_with_dtype
File "pandas\_libs\parsers.pyx", line 1256, in pandas._libs.parsers.TextReader._string_convert
File "pandas\_libs\parsers.pyx", line 1494, in pandas._libs.parsers._string_box_utf8
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xa0 in position 19: invalid start byte
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "E:\PyCharm 2017.3.4\helpers\pydev\pydevd.py", line 1668, in <module>
 main()
File "E:\PyCharm 2017.3.4\helpers\pydev\pydevd.py", line 1662, in main
 globals = debugger.run(setup['file'], None, None, is_module)
File "E:\PyCharm 2017.3.4\helpers\pydev\pydevd.py", line 1072, in run
 pydev_imports.execfile(file, globals, locals) # execute the script
File "E:\PyCharm 2017.3.4\helpers\pydev\_pydev_imps\_pydev_execfile.py", line 18, in execfile
 exec(compile(contents+"\n", file, 'exec'), glob, loc)
File "F:/OneDrive - emails.bjut.edu.cn/Program/Python/DCAE/test.py", line 18, in <module>
 load_phenotypes_ABIDE2_RfMRIMaps()
File "F:/OneDrive - emails.bjut.edu.cn/Program/Python/DCAE\Data\load_data.py", line 109, in load_phenotypes_ABIDE2_RfMRIMaps
 pheno = pd.read_csv(pheno_path)
File "E:\Python\Python35\lib\site-packages\pandas\io\parsers.py", line 678, in parser_f
 return _read(filepath_or_buffer, kwds)
File "E:\Python\Python35\lib\site-packages\pandas\io\parsers.py", line 446, in _read
 data = parser.read(nrows)
File "E:\Python\Python35\lib\site-packages\pandas\io\parsers.py", line 1036, in read
 ret = self._engine.read(nrows)
File "E:\Python\Python35\lib\site-packages\pandas\io\parsers.py", line 1848, in read
 data = self._reader.read(nrows)
File "pandas\_libs\parsers.pyx", line 876, in pandas._libs.parsers.TextReader.read
File "pandas\_libs\parsers.pyx", line 891, in pandas._libs.parsers.TextReader._read_low_memory
File "pandas\_libs\parsers.pyx", line 968, in pandas._libs.parsers.TextReader._read_rows
File "pandas\_libs\parsers.pyx", line 1094, in pandas._libs.parsers.TextReader._convert_column_data
File "pandas\_libs\parsers.pyx", line 1141, in pandas._libs.parsers.TextReader._convert_tokens
File "pandas\_libs\parsers.pyx", line 1240, in pandas._libs.parsers.TextReader._convert_with_dtype
File "pandas\_libs\parsers.pyx", line 1256, in pandas._libs.parsers.TextReader._string_convert
File "pandas\_libs\parsers.pyx", line 1494, in pandas._libs.parsers._string_box_utf8
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xa0 in position 19: invalid start byte

我认为该问题是由于文件编码格式不是'utf-8'所导致的，因此，尝试将文件格式进行转换，转换方式如下：

首先使用txt文本打开文件，然后另存为，在右下角将编码改为‘UTF-8'，点击保存即可

总结

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来源：https://blog.csdn.net/freeyy1314/article/details/82924523