"[.levelsMap" mapLevels "[.listLevelsMap" mapLevels .checkLevelsMap mapLevels .checkListLevelsMap mapLevels aggregate.table aggregate.table Args Args as.levelsMap mapLevels as.listLevelsMap mapLevels c.factor c.factor c.levelsMap mapLevels c.listLevelsMap mapLevels combine combine ConvertMedUnits ConvertMedUnits drop.levels drop.levels elem elem env env frameApply frameApply interleave interleave is.levelsMap mapLevels is.listLevelsMap mapLevels is.what is.what isUnknown unknown isUnknown.data.frame unknown isUnknown.default unknown isUnknown.list unknown isUnknown.matrix unknown isUnknown.POSIXlt unknown keep keep ll ll lowerTriangle upperTriangle lowerTriangle<- upperTriangle mapLevels mapLevels mapLevels.character mapLevels mapLevels.data.frame mapLevels mapLevels.default mapLevels mapLevels.factor mapLevels mapLevels.list mapLevels mapLevels<- mapLevels mapLevels<-.character mapLevels mapLevels<-.data.frame mapLevels mapLevels<-.default mapLevels mapLevels<-.factor mapLevels mapLevels<-.list mapLevels matchcols matchcols MedUnits MedUnits NAToUnknown unknown NAToUnknown.data.frame unknown NAToUnknown.default unknown NAToUnknown.factor unknown NAToUnknown.list unknown nobs nobs nobs.data.frame nobs nobs.default nobs nobs.lm nobs print.levelsMap mapLevels print.listLevelsMap mapLevels read.xls read.xls remove.vars rename.vars rename.vars rename.vars reorder.factor reorder resample resample sort.levelsMap mapLevels trim trim unique.levelsMap mapLevels unknownToNA unknown unknownToNA.data.frame unknown unknownToNA.default unknown unknownToNA.factor unknown unknownToNA.list unknown unmatrix unmatrix upperTriangle upperTriangle upperTriangle<- upperTriangle write.fwf write.fwf