Answers for "pandas how to merge two dataframes on index"

7

merge on index pandas

pd.merge(df1, df2, left_index=True, right_index=True)
Posted by: Guest on January-10-2021
0

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
0

merge two df

bigdata = pd.concat([data1, data2], ignore_index=True, sort=False)
Posted by: Guest on July-07-2020

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