Retrieve or set variable labels for a dataset.
varlabel(dat, var.name = NULL, lang = NA)
varlabel(dat) <- valuedata.frame. Data.frame created by read.dta13.
character vector. Variable names. If NULL, get label for all variables.
character. Label language. Default language defined by
get.lang is used if NA
character vector. Character vector of size ncol(data) with variable names.
Returns an named vector of variable labels
dat <- read.dta13(system.file("extdata/statacar.dta", package="readstata13"),
convert.factors=FALSE)
# display variable labels
varlabel(dat)
#> id brand model
#> "Numeric ID" "Brand of car" "Car model"
#> type hp max
#> "Car classification" "Horse Power" "Maximum speed"
#> mileage ecar ldate
#> "" "" "Launch date"
#> ldatecal modelStrL
#> "Launch date (calendar)" ""
# display german variable labels
varlabel(dat, lang="de")
#> id brand
#> "Numerische ID" "Herstellermarke"
#> model type
#> "Automodell" "Klassifikation"
#> hp max
#> "Pferdestärken" "Höchstgeschwindigkeit"
#> <NA> <NA>
#> NA NA
#> ldate ldatecal
#> "Einführungsdatum" "Einführungsdatum (Kalender)"
#> <NA>
#> NA
# display german variable label for brand
varlabel(dat, var.name = "brand", lang="de")
#> brand
#> "Herstellermarke"
# define new variable labels
varlabel(dat) <- letters[1:ncol(dat)]
# display new variable labels
varlabel(dat)
#> id brand model type hp max mileage ecar
#> "a" "b" "c" "d" "e" "f" "g" "h"
#> ldate ldatecal modelStrL
#> "i" "j" "k"