/Python/Pandas join two dataframes

Pandas join two dataframes

Merge two dataframes based on column

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

df_outer

10

Combining 2 dataframes pandas

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

10

Join on column pandas

# df1 as main df and use the feild from df2 and map it into df1

df1.merge(df2,on='columnName',how='left')

7

Pandas left join

df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")

4

Pandas join two columns

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

0

Pandas join two dataframes

df = df1.append(df2)

0

Similar codes

0 vote152 views1 answer
Python decorator *args **kwargs
Python
9 votes150 views2 answers
Python delete all data from file
Python
4 votes141 views1 answer
Django listview
Python Django
0 vote164 views1 answer
Delete all small Latin letters a from the given string.
Python
0 vote146 views1 answer
Cls in python
Python
0 vote268 views3 answers
Berlin
Python
0 vote144 views1 answer
Jhoom.In
Python
0 vote135 views1 answer
Python staticmethod property
Python
2 votes179 views2 answers
Django template array index
Python
0 vote145 views1 answer
Or en python
Python

Share