merge on index pandas
pd.merge(df1, df2, left_index=True, right_index=True)merge on index pandas
pd.merge(df1, df2, left_index=True, right_index=True)pandas join two series on index
# credit to Stack Overflow user in the source link
s1 = pd.Series([1, 2], index=['A', 'B'], name='s1')
s2 = pd.Series([3, 4], index=['A', 'B'], name='s2')
pd.concat([s1, s2], axis=1)
Out:
s1 s2
A 1 3
B 2 4
pd.concat([s1, s2], axis=1).reset_index()
Out:
index s1 s2
0 A 1 3
1 B 2 4Copyright © 2021 Codeinu
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