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Merge three dataframes pandas based on column

Merge two dataframes based on column

df_outer = pd.merge(df1, df2, on='id', how='outer') #here id is common column

df_outer

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')

Merge two dataframes based on column

df_merge_col = pd.merge(df_row, df3, on='id')

df_merge_col

Source: datacamp.com

Merge three dataframes pandas based on column

# Merging 3 or more dataframes base on a common column
import pandas as pd
from functools import reduce

#Create a list of df to combine
list_of_df = [df_1,df_2,df_3]

#merge them together
df_combined = reduce(lambda left,right: pd.merge(left,right,on='common column'), list_of_df)

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