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Pandas combine two data frames

Code examples

6
0

combining 2 dataframes pandas 

df_3 = pd.concat([df_1, df_2])
5
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dataframe concatenate 

# Pandas for Python

df['col1 & col2'] = df['col1']+df['col2']

#Output
#col1	col2	col1 & col2
#A1		A2		A1A2
#B1		B2		B1B2
1
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how to merge two dataframes 

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

df_merge_col
1
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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)
0
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how to merge two pandas dataframes on a column 

import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')

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