/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

3 votes230 views3 answers
Convert tensor to numpy array
Python
0 vote197 views1 answer
Show all rows with nan for a column value pandas
Python
1 vote214 views1 answer
Python find dict in list of dict by id
Python
1 vote206 views1 answer
Np.rand.randint
Python
2 votes221 views1 answer
Python bisect
Python
0 vote200 views1 answer
Gpt2 simple restore checkpoint
Python
105 votes353 views6 answers
Python json to dict
Python
4 votes203 views2 answers
Intersection in list
Python
0 vote216 views2 answers
Python discord embed link
Python
0 vote199 views1 answer
Python n periods of std
Python

Share