Helper to make a placeholder for a label-value pair.
lbl(...)
Either one or two arguments, possibly named .val and .lbl. If a single unnamed value, represents the label, if 2 unnamed values, the first is the value and the second is the label.
A label_placeholder
object, useful in functions like lbl_add
Other lbl_helpers:
lbl_add()
,
lbl_clean()
,
lbl_collapse()
,
lbl_define()
,
lbl_na_if()
,
lbl_relabel()
,
zap_ipums_attributes()
x <- haven::labelled(
c(100, 200, 105, 990, 999, 230),
c(`Unknown` = 990, NIU = 999)
)
lbl_add(x, lbl(100, "$100"), lbl(105, "$105"), lbl(200, "$200"), lbl(230, "$230"))
#> <labelled<double>[6]>
#> [1] 100 200 105 990 999 230
#>
#> Labels:
#> value label
#> 100 $100
#> 105 $105
#> 200 $200
#> 230 $230
#> 990 Unknown
#> 999 NIU