Re: [R] Extract information from the names of a list within lapply

Thanks, Joshua and Henrique. Henrique's solution is very interesting. Could you explain a bit more? What does this grammar mean? match.call()[[2]][[3]] Jun On Fri, Apr 15, 2011 at 1:27 PM, Henrique Dallazuanna wrote: > Try this: > > lapply(mtcars, function(.)names(mtcars)[match.call()[[2]][[3]

Re: [R] Extract information from the names of a list within lapply

Try this: lapply(mtcars, function(.)names(mtcars)[match.call()[[2]][[3]]]) On Fri, Apr 15, 2011 at 3:14 PM, Jun Shen wrote: > Dear list, > > I want to loop over a list through lapply and at the same time I want to > extract some information from the names of the list elements. lapply does > not

Re: [R] Extract information from the names of a list within lapply

Hi Jun, On Fri, Apr 15, 2011 at 11:14 AM, Jun Shen wrote: > Dear list, > > I want to loop over a list through lapply and at the same time I want to > extract some information from the names of the list elements. lapply does > not seem to carry the names. Is there anyway to access the names of a l

[R] Extract information from the names of a list within lapply

Dear list, I want to loop over a list through lapply and at the same time I want to extract some information from the names of the list elements. lapply does not seem to carry the names. Is there anyway to access the names of a list within lapply? Thanks. Jun [[alternative HTML version d