Dear R-List,
#I have a df with the first two cols formatted as factor.
dfx <- data.frame(
group = c(rep('A', 8), rep('B', 15), rep('C', 6)),
sex = sample(c("M", "F"), size = 29, replace = TRUE),
age = runif(n = 29, min = 18, max = 54))
# now I want to format both factor VARs as character
# I tried
factor.id<-names(dfx[sapply(dfx,is.factor)])
chr.names<-which(names(dfx)%in% factor.id)
dfx[ , chr.names]<-as.character(dfx[ , chr.names])
# which gives me
str(dfx)
'data.frame': 29 obs. of 3 variables: $ group: chr "c(1, 1, 1, 1, 1, 1, 1, 1, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3)" "c(2, 2, 1, 1, 1,
1, 2, 1, 1, 2, 2, 1, 2, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 2)" "c(1,
1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
3)" "c(2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1,
1, 1, 2, 2, 2)" ... $ sex : chr "c(2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 2,
1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 2)" "c(1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3)" "c(2, 2, 1, 1, 1, 1, 2,
1, 1, 2, 2, 1, 2, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 2)" "c(1, 1, 1,
1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3)"
... $ age : num 38.5 18 33.5 26 22.5 ...
#though I was hoping for something like
'data.frame': 29 obs. of 3 variables:
$ group: chr "A" "A" "A" "A" ...
$ sex : chr "M" "F" "F" "M" ...
$ age : num 21.3 35.2 53.8 21 23.6 ...
#What is wrong with my code?
#Thank you for any help
Best wishes
Alain
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