Answers for "combine three dataframes pandas by column"

6

merge two dataframes based on column

df_outer = pd.merge(df1, df2, on='id', how='outer') #here id is common column

df_outer
Posted by: Guest on July-27-2020
2

merge two columns pandas

df["period"] = df["Year"] + df["quarter"]
Posted by: Guest on May-10-2020

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