/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 vote271 views1 answer
Squre value of a column pandas
Python
19 votes362 views1 answer
Python substring
Python
3 votes280 views1 answer
Spark df shape
Python
3 votes252 views1 answer
Make a window tkinter
Python
2 votes296 views1 answer
Pen up python turtle
Python
6 votes267 views2 answers
Check if numpy arrays are equal
Python
0 vote289 views1 answer
Drupal 8 request_time
Python
81 votes294 views6 answers
Loop in python
Python
7 votes283 views1 answer
Python for loop with array
Python
37 votes283 views5 answers
Python print same line
Python

Share