[R] Error with lapply

[Gabor Grothendieck]

lapply already passes the first arg to fn and by specifying the
i (which is undefined -- its only defined within fn) it would be
trying to to pass a second arg to fn yet fn takes only takes
one arg.   Try these:

lapply(1:4, fn)
lapply(1:4, "^", 2)


On Thu, Nov 20, 2008 at 11:31 AM, megh <megh700004 at yahoo.com> wrote:
>
> I have written following codes, with intention to get a list with values
> 1,2,9,16 :
>
> fn <- function(i) return(i^2)
> lapply(1:4, fn, i)
>
> However I got following error :
> Error in FUN(1:4[[1L]], ...) : unused argument(s) (1)
>
> Can anyone please tell me what will be the correct code here?
>
> Regards,
>
>
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