label {rapportools} | R Documentation |
Get Variable Label
Description
This function returns character value previously stored in variable's label
attribute. If none found, and fallback
argument is set to TRUE
(default), the function returns object's name (retrieved by deparse(substitute(x))
), otherwise NA
is returned with a warning notice.
Usage
label(x, fallback = TRUE, simplify = TRUE)
Arguments
x |
an R object to extract labels from |
fallback |
a logical value indicating if labels should fallback to object name(s) |
simplify |
coerce results to a vector ( |
Value
a character vector with variable's label(s)
Examples
## Not run:
x <- rnorm(100)
label(x) # returns "x"
label(x, FALSE) # returns NA and issues a warning
label(mtcars$hp) <- "Horsepower"
label(mtcars) # returns "Horsepower" instead of "hp"
label(mtcars, FALSE) # returns NA where no labels are found
label(sleep, FALSE) # returns NA for each variable and issues a warning
## End(Not run)
[Package rapportools version 1.1 Index]