Answers for "pandas when to use join and merge"

9

combining 2 dataframes pandas

df_3 = pd.concat([df_1, df_2])
Posted by: Guest on May-13-2020
4

pandas left join

df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")
Posted by: Guest on November-26-2020

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