我正在尝试使用以下代码合并两个csv文件:
import pandas as pd
data1 = pd.read_csv("QLD.csv")
data2 = pd.read_csv("VIC.csv")
result = pd.merge(data1[['REGION', 'TOTALDEMAND', 'RRP']], data2[['REGION', 'TOTALDEMAND', 'RRP']], on='SETTLEMENTDATE')
result.to_csv("masterfile.csv", index=False)
当我运行代码时,我收到以下错误:
Traceback (most recent call last):
File "/Users/george/Desktop/collate/asdas.py", line 4, in <module>
result = pd.merge(data1[['REGION', 'TOTALDEMAND', 'RRP']], data2[['REGION', 'TOTALDEMAND', 'RRP']], on='SETTLEMENTDATE')
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas/core/reshape/merge.py", line 61, in merge
validate=validate)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas/core/reshape/merge.py", line 551, in __init__
self.join_names) = self._get_merge_keys()
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas/core/reshape/merge.py", line 857, in _get_merge_keys
rk, stacklevel=stacklevel))
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pandas/core/generic.py", line 1382, in _get_label_or_level_values
raise KeyError(key)
KeyError: 'SETTLEMENTDATE'
知道怎么回事吗?谢谢
尝试:
您正在
SETTLEMENTDATE
上进行合并,但在您正在合并的数据帧的片中没有相同的内容。你知道吗您希望在
'SETTLEMENTDATE'
上进行合并,但此系列从您的输入数据帧中排除。{}因此饲养熊猫。请尝试:相关问题 更多 >
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