我正在尝试将zip file之后的.dta文件加载到熊猫中.但是,我立即得到一个错误.我的命令中也有stata,但是由于错误消息没有告诉我更多信息,例如错误的列,所以我不知道该怎么做.
如何将文件加载到熊猫中？
>>> df = pd.read_stata('cepr_org_2014.dta')
Traceback (most recent call last):
File "<input>", line 1, in <module>
File "/usr/local/Cellar/python/2.7.8_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.15.2-py2.7-macosx-10.9-x86_64.egg/pandas/io/stata.py", line 69, in read_stata
order_categoricals)
File "/usr/local/Cellar/python/2.7.8_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.15.2-py2.7-macosx-10.9-x86_64.egg/pandas/io/stata.py", line 1315, in data
cat_data.categories = categories
File "/usr/local/Cellar/python/2.7.8_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.15.2-py2.7-macosx-10.9-x86_64.egg/pandas/core/categorical.py", line 442, in _set_categories
categories = self._validate_categories(categories)
File "/usr/local/Cellar/python/2.7.8_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas-0.15.2-py2.7-macosx-10.9-x86_64.egg/pandas/core/categorical.py", line 437, in _validate_categories
raise ValueError('Categorical categories must be unique')
ValueError: Categorical categories must be unique
解决方法:
使用pandas.read_stata(‘cepr_org_2014.dta’,convert_categoricals = False,convert_missing = True)加载它,并查看数据的外观.
如问题中所述,可以选择使用ipdb进行调试,以表明您的数据中存在重复的类别.
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