Hi,
It is not clear whether all the variables are factor or only a few are..
dat<- read.table(text="a coef coef.l
coef.h
1 1 0.005657825001254 0.00300612956318132 0.00830952043932667
2 2 0.00634505314577229 0.00334102345418614 0.00934908283735844
3 3 0.00368668099805019 0.000289702228748421 0.00708365976735195
4 4 0.0056200291035751 0.00209123538827368 0.00914882281887651
5 5 0.00636609791030242 0.00269683889899591
0.0100353569216089",sep="",colClasses=rep("factor",4))
dat1<- dat
dat[] <- lapply(dat,function(x) as.numeric(as.character(x)))
str(dat)
#'data.frame': 5 obs. of 4 variables:
# $ a : num 1 2 3 4 5
# $ coef : num 0.00566 0.00635 0.00369 0.00562 0.00637
# $ coef.l: num 0.00301 0.00334 0.00029 0.00209 0.0027
# $ coef.h: num 0.00831 0.00935 0.00708 0.00915 0.01004
# With only a subset of variables in the dataset as factors
dat1$a<- as.numeric(as.character(dat1$a))
dat1[sapply(dat1,is.factor)]<- lapply(dat1[sapply(dat1,is.factor)],function(x)
as.numeric(as.character(x)))
str(dat1)
#'data.frame': 5 obs. of 4 variables:
# $ a : num 1 2 3 4 5
# $ coef : num 0.00566 0.00635 0.00369 0.00562 0.00637
# $ coef.l: num 0.00301 0.00334 0.00029 0.00209 0.0027
# $ coef.h: num 0.00831 0.00935 0.00708 0.00915 0.01004
A.K.
I have a factor data frame which I want to convert to numeric without any
change in contents. How could I do that?
a coef coef.l coef.h
1 1 0.005657825001254 0.00300612956318132 0.00830952043932667
2 2 0.00634505314577229 0.00334102345418614 0.00934908283735844
3 3 0.00368668099805019 0.000289702228748421 0.00708365976735195
4 4 0.0056200291035751 0.00209123538827368 0.00914882281887651
5 5 0.00636609791030242 0.00269683889899591 0.0100353569216089
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
