/Python/Merge two columns pandas

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

10

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)

0

Similar codes

0 vote228 views1 answer
How to loop through an array containing objects and access their properties
Python
0 vote235 views1 answer
Response object has no code
Python
7 votes226 views2 answers
Python concatenate list of lists
Python
0 vote261 views1 answer
What is sklearn.base
Python
1 vote239 views1 answer
Discord.py get id of sent message
Python
37 votes249 views6 answers
Lambda functions python
Python
0 vote264 views1 answer
Python run module with and without "-m" option and import path setting
Python
1 vote284 views1 answer
Geometric progression in python
Python
0 vote249 views1 answer
Matplotlib object oriented
Python
1 vote260 views1 answer
Py file open with
Python

Share