Re: [R] Set attributes for object known by name

Well, it can be done without a temporary variable, but I'm not sure you would want to. Anyway... ## simplified example > a <- 1 > vname <- "a" > eval(substitute(attr(x,"b") <- "hi", list( x = as.name(vname > a [1] 1 attr(,"b") [1] "hi" Cheers, Bert Bert Gunter "The trouble with having an

Re: [R] Set attributes for object known by name

oops, I think the right code would be x = get(varname) attr(x, "foo") = "bar" assign(varname, x) On Wed, Oct 10, 2018 at 9:30 PM Peter Langfelder wrote: > I would try something like > > x = get(myvarname) > attr(x, "foo") = "bar" > assign(varname, x) > > HTH, > > Peter > > On Wed, Oct 10, 2018

Re: [R] Set attributes for object known by name

I would try something like x = get(myvarname) attr(x, "foo") = "bar" assign(varname, x) HTH, Peter On Wed, Oct 10, 2018 at 9:15 PM Marc Girondot via R-help < r-help@r-project.org> wrote: > Hello everybody, > > Has someone the solution to set attribute when variable is known by name ? > > Thank

[R] Set attributes for object known by name

Hello everybody, Has someone the solution to set attribute when variable is known by name ? Thanks a lot Marc Let see this exemple: # The variable name is stored as characters. varname <- "myvarname" assign(x = varname, data.frame(A=1:5, B=2:6)) attributes(myvarname) $names [1] "A" "B" $cla