Brian Ripley [mailto:[EMAIL PROTECTED]
> Sent: 27 August 2003 14:08
> To: Simon Fear
> Cc: [EMAIL PROTECTED]
> Subject: Re: [R] seeking help with with()
>
>
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"Simon Fear" <[EMAIL PROTECTED]> writes:
> I tried to define a function like:
>
> fnx <- function(x, by.vars=Month)
> print(by(x, by.vars, summary))
>
> But this doesn't work (does not find x$Month; unlike other functions,
> such as
> subset(), the INDICES argument to "by" does not look for va
On Wed, 27 Aug 2003, Simon Fear wrote:
> I tried to define a function like:
>
> fnx <- function(x, by.vars=Month)
> print(by(x, by.vars, summary))
>
> But this doesn't work (does not find x$Month; unlike other functions,
> such as
> subset(), the INDICES argument to "by" does not look for vari
I tried to define a function like:
fnx <- function(x, by.vars=Month)
print(by(x, by.vars, summary))
But this doesn't work (does not find x$Month; unlike other functions,
such as
subset(), the INDICES argument to "by" does not look for variables in
dataset
x. Is fully documented, but I forget ev
