Answers for "inner join multiple dataframes pandas"

Python

pandas merge multiple dataframes

import pandas as pd
from functools import reduce

# compile the list of dataframes you want to merge
data_frames = [df1, df2, df3]
df_merged = reduce(lambda  left,right: pd.merge(left,right,on=['key_col'],
                                            how='outer'), data_frames)

Posted by: Guest on October-04-2020

Source

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)

Posted by: Guest on September-22-2020

Source

merge two df

bigdata = pd.concat([data1, data2], ignore_index=True, sort=False)

Posted by: Guest on July-07-2020

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