/Python/Pandas join two columns

Pandas join two columns

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

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

Merge two columns name in one header pandas

df['A'] = df[a_cols].apply(' '.join, axis=1)

1

Source: stackoverflow.com

Pandas join two columns

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

0

How to merge two pandas dataframes on a column

import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')

0

Source: stackoverflow.com

Similar codes

0 vote233 views1 answer
Python - How To Check Operating System
Python
0 vote212 views1 answer
Setting flask app environment variable
Python
1 vote224 views1 answer
Hotel room allocation tool in python
Python
0 vote230 views1 answer
Add header info in django response
Python Django
14 votes217 views2 answers
Python get username
Python
0 vote326 views2 answers
Class range python code
Python
0 vote254 views1 answer
Django blog new post
Python Django
2 votes219 views2 answers
How to check if number is negative in python
Python
7 votes183 views4 answers
'numpy.ndarray' object is not callable
Python
0 vote209 views1 answer
Str count python
Python

Share