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Merge two columns pandas

Merge two dataframes based on column

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

df_outer

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Combining 2 dataframes pandas

df_3 = pd.concat([df_1, df_2])

9

Python merge strings in columns

df["period"] = df["Year"].astype(str) + df["quarter"]

2

Source: stackoverflow.com

Merge two columns pandas

df["period"] = df["Year"] + df["quarter"]

2

Source: stackoverflow.com

Pandas merge two columns from different dataframes

#suppose you have two dataframes df1 and df2, and 
#you need to merge them along the column id
df_merge_col = pd.merge(df1, df2, on='id')

1

Pandas join two columns

df['FullName'] = df[['First_Name', 'Last_Name']].agg('-'.join, axis=1)

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