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How to swap two DataFrame columns?

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Marawan Mamdouh answered on September 24, 2020 Popularity 7/10 Helpfulness 7/10

answer How to swap two DataFrame columns?

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How to swap two DataFrame columns?

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### I create `swapColumns` function

It swaps the position of the two columns in the DataFrame and then renames the columns to reflect the swap.

    def swapColumns(df, col1, col2):
        # Get the list of column names in the DataFrame
        cols = df.columns
        
        # Get the index of the two columns to swap
        col1_idx = cols.get_loc(col1)
        col2_idx = cols.get_loc(col2)
        
        # Swap the two columns using the index
        df[[cols[col1_idx], cols[col2_idx]]] = df[[cols[col2_idx], cols[col1_idx]]]
        
        # Rename the columns to reflect the swap
        df.rename(columns = {col1:col2, col2:col1}, inplace = True)


# To use the function, you can pass in the DataFrame df and the two column names col1 and col2 like this :

	swapColumns(df, 'longitude', 'median_house_value')

This will swap the position of the longitude and median_house_value columns in the DataFrame df.

Popularity 7/10 Helpfulness 7/10 Language whatever

Source: Grepper

Tags: dataframe python swap

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Contributed on Mar 21 2023

Marawan Mamdouh

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swap two columns python

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# 2d array a[row][col] ,  swap the columns h and k
for i in range(row):
    a[i][k] , a[i][h] = a[i][h], a[i][k]

Popularity 8/10 Helpfulness 4/10 Language python

Source: Grepper

Tags: python swap s

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Contributed on Nov 02 2021

BreadCode

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rearange DataFrame swap columsn and rows

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df_t = df.T
print(df_t)
#            0    1        2
# name   Alice  Bob  Charlie
# age       24   42       18
# state     NY   CA       CA
# point     64   92       70

Popularity 9/10 Helpfulness 1/10 Language python

Source: note.nkmk.me

Tags: dataframe data

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Contributed on Sep 24 2020

Anxious Anaconda

0 Answers Avg Quality 2/10

How to swap two DataFrame columns?

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swap two columns python

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