Remove labels that do not appear in the data.
lbl_clean(x)
x | A |
---|
A haven::labelled vector
Other lbl_helpers:
lbl_add()
,
lbl_collapse()
,
lbl_define()
,
lbl_na_if()
,
lbl_relabel()
,
lbl()
,
zap_ipums_attributes()
x <- haven::labelled( c(1, 2, 3, 1, 2, 3, 1, 2, 3), c(Q1 = 1, Q2 = 2, Q3 = 3, Q4= 4) ) lbl_clean(x) #> <labelled<double>[9]> #> [1] 1 2 3 1 2 3 1 2 3 #> #> Labels: #> value label #> 1 Q1 #> 2 Q2 #> 3 Q3