Removes "Do not know" and other similar words from factor levels in data frame
remove_all_dont_know(x, dk = NULL, message = TRUE)
List or data frame
Character vector, containing search terms, e.g. c("Do not know", "DK")
. These terms will be replaced by NA
. If NULL
, defaults to c("I don't know", "Don't Know", "Don't know", "Dont know" , "DK")
If TRUE, displays message with the number of instances that were removed.
A data frame
hasDK()
and removeDK()
Other Functions to clean data: encToInt
,
fix_common_encoding_problems
,
fix_levels_01_spss
,
has_dont_know
, intToEnc
,
leveltest
, remove_dont_know