How to Remove a Column by name and index using Dplyr Package in R

In this article, we are going to remove columns by name and index in the R programming language using dplyr package.

Dataset in use:

Remove a column by using column name

We can remove a column with select() method by its column name.

Syntax:

select(dataframe,-column_name)

Where, dataframe is the input dataframe and column_name is the name of the column to be removed.

Example: R program to remove a column

Output:

Remove multiple columns by using column name

We can remove a column with select() method by its column name

Syntax:

select(dataframe,-c(column_name1,column_name2,.,column_name n)

Where, dataframe is the input dataframe and -c(column_names) is the collection of names of the column to be removed.

Example: R program to remove multiple columns

Output:

Remove a column by using column index

We can remove a column with select() method by its column index/position. Index starts with 1.

Syntax:

select(dataframe,-column_index)

Where, dataframe is the input dataframe and column_index  is the position of the column to be removed.

Example: R program to remove particular column

Output:

Remove multiple columns by using column index

We can remove a column with select() method by its column index/position. Index starts with 1.

Syntax:

select(dataframe,-c(column_index1,column_index2,.,column_index n)

Where, dataframe is the input dataframe and c(column_indexes) is the position of the columns to be removed.

Example: R program to remove multiple columns by position

Output:

gottumukkalabobby

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Article Tags :

• R Language
• R Dplyr