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python - 使用 Pandas 导入数据时遇到错误

问题描述

所以当我尝试运行 pd.read_csv 函数时，这就是错误的样子，我完全被卡住了。而且我还检查了我是否在数据所在的同一目录中，就是这样

如果知道这里发生了什么，请提供帮助：

PS：数据文件大小为14MB

---------------------------------------------------------------------------
ParserError                               Traceback (most recent call last)
<ipython-input-28-2a5563273d31> in <module>
----> 1 data=pd.read_csv('ufo_data.csv',header=None)
      2 data.head()
      3 

D:\Anaconda\lib\site-packages\pandas\io\parsers.py in read_csv(filepath_or_buffer, sep, delimiter, header, names, index_col, usecols, squeeze, prefix, mangle_dupe_cols, dtype, engine, converters, true_values, false_values, skipinitialspace, skiprows, skipfooter, nrows, na_values, keep_default_na, na_filter, verbose, skip_blank_lines, parse_dates, infer_datetime_format, keep_date_col, date_parser, dayfirst, cache_dates, iterator, chunksize, compression, thousands, decimal, lineterminator, quotechar, quoting, doublequote, escapechar, comment, encoding, dialect, error_bad_lines, warn_bad_lines, delim_whitespace, low_memory, memory_map, float_precision)
    684     )
    685 
--> 686     return _read(filepath_or_buffer, kwds)
    687 
    688 

D:\Anaconda\lib\site-packages\pandas\io\parsers.py in _read(filepath_or_buffer, kwds)
    456 
    457     try:
--> 458         data = parser.read(nrows)
    459     finally:
    460         parser.close()

D:\Anaconda\lib\site-packages\pandas\io\parsers.py in read(self, nrows)
   1194     def read(self, nrows=None):
   1195         nrows = _validate_integer("nrows", nrows)
-> 1196         ret = self._engine.read(nrows)
   1197 
   1198         # May alter columns / col_dict

D:\Anaconda\lib\site-packages\pandas\io\parsers.py in read(self, nrows)
   2153     def read(self, nrows=None):
   2154         try:
-> 2155             data = self._reader.read(nrows)
   2156         except StopIteration:
   2157             if self._first_chunk:

pandas\_libs\parsers.pyx in pandas._libs.parsers.TextReader.read()

pandas\_libs\parsers.pyx in pandas._libs.parsers.TextReader._read_low_memory()

pandas\_libs\parsers.pyx in pandas._libs.parsers.TextReader._read_rows()

pandas\_libs\parsers.pyx in pandas._libs.parsers.TextReader._tokenize_rows()

pandas\_libs\parsers.pyx in pandas._libs.parsers.raise_parser_error()

ParserError: Error tokenizing data. C error: Expected 11 fields in line 877, saw 12

标签： pythonpandasmachine-learningcompiler-errorsimporterror

解决方案

刚刚添加了一个这样的分隔符，它得到了修复：

data=pd.read_csv("File_path", sep='\t')

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