rename.RdFunction to rename a variable in a data frame.
rename(old, new, data)name of the variable to rename.
new name of the variable.
data frame that contains the variable to be renamed.
The function can be used to rename a variable in a data frame.
A data frame.
# illustrative dataset
dat <- data.frame(subj=rep(1:4, each=5),
obs = 1:5,
age = rep(c(20,31,27,22), each=5),
stress = c(2,3,1,4,2, 3,3,3,3,3, 1,1,2,6,4, 1,2,1,3,1))
dat
#> subj obs age stress
#> 1 1 1 20 2
#> 2 1 2 20 3
#> 3 1 3 20 1
#> 4 1 4 20 4
#> 5 1 5 20 2
#> 6 2 1 31 3
#> 7 2 2 31 3
#> 8 2 3 31 3
#> 9 2 4 31 3
#> 10 2 5 31 3
#> 11 3 1 27 1
#> 12 3 2 27 1
#> 13 3 3 27 2
#> 14 3 4 27 6
#> 15 3 5 27 4
#> 16 4 1 22 1
#> 17 4 2 22 2
#> 18 4 3 22 1
#> 19 4 4 22 3
#> 20 4 5 22 1
# rename variable age to years
dat <- rename("age", "years", dat)
dat
#> subj obs years stress
#> 1 1 1 20 2
#> 2 1 2 20 3
#> 3 1 3 20 1
#> 4 1 4 20 4
#> 5 1 5 20 2
#> 6 2 1 31 3
#> 7 2 2 31 3
#> 8 2 3 31 3
#> 9 2 4 31 3
#> 10 2 5 31 3
#> 11 3 1 27 1
#> 12 3 2 27 1
#> 13 3 3 27 2
#> 14 3 4 27 6
#> 15 3 5 27 4
#> 16 4 1 22 1
#> 17 4 2 22 2
#> 18 4 3 22 1
#> 19 4 4 22 3
#> 20 4 5 22 1