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[英]Convert dict to pandas dataframe with key as column1 and value as col2
[英]Pandas: Convert dataframe columns into dict with col title as dict key and col values as dict values
我有一个数据框,看起来像:
NAME ID
155 ARBITRARY_A 697381
208 ARBITRARY_B 691820
265 ARBITRARY_C 691782
272 ARBITRARY_D 695593
我想将其转换为字典列表,如下所示:
[{name:ARBITRARY_A, id:697381}, {name:ARBITRARY_B, id:691820},
{name:ARBITRARY_C, id:691782}, {name:ARBITRARY_D, id:695593}]
进行此操作的最快/最佳方式是什么?
如注释中所示,可以使用pandas.DataFrame.to_dict()
。 在你的情况下,你需要orient
为record
:
码:
df.to_dict('record')
测试代码:
df = pd.read_fwf(StringIO(u"""
NAME ID
155 ARBITRARY_A 697381
208 ARBITRARY_B 691820
265 ARBITRARY_C 691782
272 ARBITRARY_D 695593"""),
header=1, index_col=0)
print(df)
print(df.to_dict('record'))
结果:
NAME ID
155 ARBITRARY_A 697381
208 ARBITRARY_B 691820
265 ARBITRARY_C 691782
272 ARBITRARY_D 695593
[{u'NAME': u'ARBITRARY_A', u'ID': 697381L}, {u'NAME': u'ARBITRARY_B', u'ID': 691820L}, {u'NAME': u'ARBITRARY_C', u'ID': 691782L}, {u'NAME': u'ARBITRARY_D', u'ID': 695593L}]
尝试:
df.to_dict()
如果这不会产生预期的结果,请尝试转置DataFrame:
df.T.to_dict()
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