Delete Columns
Columns can be deleted from the existing data frame by setting the value of the desired column to NULL.
Syntax:
mutate(dataframe,columns = NULL)
Parameter:
- It takes only one parameter that is column name to be deleted
Example:
R
library(dplyr) # Create a data frame d <- data.frame( FirstName = c("Suresh","Ramesh","Tanya","Sujata"), Salary = c(50000,60000,70000,80000), Expenses = c(20000,15000,30000,25000)) print(d) # Delete Expenses column d <- mutate(d,Expenses = NULL) print(d) |
Output:
FirstName Salary Expenses Suresh 50000 20000 Ramesh 60000 15000 Tanya 70000 30000 Sujata 80000 25000 FirstName Salary Suresh 50000 Ramesh 60000 Tanya 70000 Sujata 80000
Create, modify, and delete columns using dplyr package in R
In this article, we will discuss mutate function present in dplyr package in R Programming Language to create, modify, and delete columns of a dataframe.