combining 2 dataframes pandas
df_3 = pd.concat([df_1, df_2])how to merge two dataframes
df_merge_col = pd.merge(df_row, df3, on='id')
df_merge_coljoin tables pandas
In [99]: result = left.join(right, on=['key1', 'key2'], how='inner')merge dataframe pandas
>>> df1.merge(df2, left_on='lkey', right_on='rkey')
lkey value_x rkey value_y
0 foo 1 foo 5
1 foo 1 foo 8
2 foo 5 foo 5
3 foo 5 foo 8
4 bar 2 bar 6
5 baz 3 baz 7how to join two dataframe in pandas based on two column
merged_df = left_df.merge(right_df, how='inner', left_on=["A", "B"], right_on=["A2","B2"])join to dataframes pandas
>>> df.join(other.set_index('key'), on='key')
key A B
0 K0 A0 B0
1 K1 A1 B1
2 K2 A2 B2
3 K3 A3 NaN
4 K4 A4 NaN
5 K5 A5 NaNCopyright © 2021 Codeinu
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