Combine dataframes

Combining 2 dataframes pandas

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

Pandas left join

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

Combine two dataframe in pandas

# Stack the DataFrames on top of each other
vertical_stack = pd.concat([survey_sub, survey_sub_last10], axis=0)

# Place the DataFrames side by side
horizontal_stack = pd.concat([survey_sub, survey_sub_last10], axis=1)

Source: datacarpentry.org

Combine dataframes

frames = [df1, df2, df3]
result = pd.concat(frames)

# sorted indices

result = pd.concat([ret, items], ignore_index = True, axis = 0)

Source: codegrepper.com

Concatenating datfra,esin pandas

In [8]: df4 = pd.DataFrame({'B': ['B2', 'B3', 'B6', 'B7'],
   ...:                     'D': ['D2', 'D3', 'D6', 'D7'],
   ...:                     'F': ['F2', 'F3', 'F6', 'F7']},
   ...:                    index=[2, 3, 6, 7])
   ...: 

In [9]: result = pd.concat([df1, df4], axis=1, sort=False)

Source: pandas.pydata.org

Similar codes

0 vote148 views1 answer
AttributeError: 'psycopg2.extensions.Column' object has no attribute '_asdict'
Python
1 vote132 views2 answers
Python dataframe remove header
Python
1 vote202 views1 answer
Timer pythongame
Python
0 vote143 views1 answer
Permutation with repetition python
Python
60 votes129 views6 answers
Get current date in python
Python
0 vote160 views1 answer
Django create view class
Python Django
2 votes137 views2 answers
Roots of quadratic equation in python
Python
9 votes136 views3 answers
How to remove empty elements in a list python
Python
3 votes141 views1 answer
WKUP2 in stm32 microcontroller
Python
-1 vote140 views1 answer
Create excel file python
Python