Tests the levels of x contain any instances of "Don't know". If so, replaces these levels with NA
remove_dont_know(x, dk = "Don't Know")
Character vector or factor
Character vector, containing search terms, e.g. c("Don't know", "Don't Know")
A factor with "Dont know" removed
Other Functions to clean data: encToInt
,
fix_common_encoding_problems
,
fix_levels_01_spss
,
has_dont_know
, intToEnc
,
leveltest
,
remove_all_dont_know