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Returns TRUE if x contains any instances of dk
hasDK(x, dk = "Don't Know")
Character vector or Factor
Character vector, containing search terms, e.g. c("Don't know", "Don't Know")
TRUE or FALSE
Other Functions to clean data: encToInt, fixCommonEncodingProblems, fixLevels01, fixLevels01R, fixLevels01SPSS, intToEnc, leveltestR, leveltestSPSS, removeAllDK, removeDK
encToInt
fixCommonEncodingProblems
fixLevels01
fixLevels01R
fixLevels01SPSS
intToEnc
leveltestR
leveltestSPSS
removeAllDK
removeDK