Sorry, one error:
On Mon, Jul 30, 2012 at 1:18 PM, Bert Gunter wrote:
> ??
>
> On Mon, Jul 30, 2012 at 11:46 AM, R. Michael Weylandt
> wrote:
>> On Mon, Jul 30, 2012 at 8:49 AM, Bert Gunter wrote:
>>> Not necessarily. If the OP really meant the R list() structure, then
>>> is.element does not a
??
On Mon, Jul 30, 2012 at 11:46 AM, R. Michael Weylandt
wrote:
> On Mon, Jul 30, 2012 at 8:49 AM, Bert Gunter wrote:
>> Not necessarily. If the OP really meant the R list() structure, then
>> is.element does not apply.
>
> Perhaps...
>
> x <- list(1:5, "a", `+`, rnorm, NULL, list(letters))
Not
Hello,
Em 30-07-2012 19:46, R. Michael Weylandt escreveu:
On Mon, Jul 30, 2012 at 8:49 AM, Bert Gunter wrote:
Not necessarily. If the OP really meant the R list() structure, then
is.element does not apply.
Perhaps...
x <- list(1:5, "a", `+`, rnorm, NULL, list(letters))
letters %in% x # Work
On Mon, Jul 30, 2012 at 8:49 AM, Bert Gunter wrote:
> Not necessarily. If the OP really meant the R list() structure, then
> is.element does not apply.
Perhaps...
x <- list(1:5, "a", `+`, rnorm, NULL, list(letters))
letters %in% x # Works -- vectorized, mostly false, but the "a" is
there, per b
Not necessarily. If the OP really meant the R list() structure, then
is.element does not apply. If a vector was what was intended, then it
does -- provide all elements are of the same mode. With such a vague
post, it's hard to know.
-- Bert
On Mon, Jul 30, 2012 at 6:06 AM, Jean V Adams wrote:
>
Thank you so much Jean!
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?is.element
Jean
cm wrote on 07/30/2012 07:55:34 AM:
>
> I need to write an if/then statement saying something along the lines
of:
> if (VALUE is in list) {...
> How do I write that in R's language.
> Thanks!
[[alternative HTML version deleted]]
_
if(cond) expr
if(cond) cons.expr else alt.expr
Also see ?ifelse
John Kane
Kingston ON Canada
> -Original Message-
> From: bunnylove...@optonline.net
> Sent: Mon, 30 Jul 2012 05:55:34 -0700 (PDT)
> To: r-help@r-project.org
> Subject: [R] If/then statement, if in a l
I need to write an if/then statement saying something along the lines of:
if (VALUE is in list) {...
How do I write that in R's language.
Thanks!
--
View this message in context:
http://r.789695.n4.nabble.com/If-then-statement-if-in-a-list-then-tp4638346.html
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