setnames Function of data.table Package in R | Change Names of Data Frame Variables | Rename Column

Описание

How to rename column names with the setnames function of the data.table package in the R programming language. More details: https://statisticsglobe.com/setnames-r-function-example
R code:

x ＜- 1:5 # Create example vector
x # Print example vector to RStudio console

x_names ＜- setNames(x, letters[1:5]) # Apply setNames function
x_names # Print updated vector to RStudio console

install.packages("data.table") # Install data.table package
library("data.table") # Load data.table package

data ＜- data.frame(x1 = 1:5, # Create example data.frame
x2 = 6:10,
x3 = 11:15)
data # Print example data.frame to RStudio console

setnames(data, # Apply setnames function
c("x1", "x3"),
c("x4", "x5"))
data # Print updated example data.frame