| factor2numeric {RTCA} | R Documentation |
The functions implement easy interface to certain tasks of factor. See datails for explaination
factor2numeric(x) relevels(x, refs)
x |
A vector of factor |
refs |
A vector of character, reference vector to give the orderof levels |
relevels re-arrange the order of levels by the given
character refs. Alternatively user could use
factor(...,levels=refs) to achieve a similar effect, however
the relevels enables also partial list. The missing
levels in refs will be ordered to the last.
factor2numeric converts factor of numerics into their
numeric form.
A vector of factor
Jitao David Zhang jitao_david.zhang@roche.com
## factor2numeric
numFac <- factor(c(3.5, 2.5, 2.5,3.5, 1))
numFac
levels(numFac)
factor2numeric(numFac)
class(factor2numeric(numFac))
## relevels
relevels(numFac, c("3.5", "1", "2.5"))
relevels(numFac, c("3.5", "2.5"))