change column name in r dataframe code example

Example 1: r set dataframe column names

R> X <- data.frame(bad=1:3, worse=rnorm(3))
R> X
  bad     worse
1   1 -2.440467
2   2  1.320113
3   3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
  good    better
1    1 -2.440467
2    2  1.320113
3    3 -0.306639

Example 2: how to change column names in r

colnames(dataset) <- c('name1','name2',..)

Example 3: r dataframe change column name

names(df)[1] <- paste("newName")

Example 4: r rename column based on variable

df %>% rename(!!variable := name_of_col_from_df)