[R] evaluate a set of symbols within an IF statement
Greg Snow
Greg.Snow at imail.org
Sat Sep 26 23:19:25 CEST 2009
?any
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of zubin
> Sent: Friday, September 25, 2009 6:00 PM
> To: r-help at r-project.org
> Subject: [R] evaluate a set of symbols within an IF statement
>
> Hello, writing some R code to cleanse a data set, if the following set
> of symbols are identified then perform some actions. trying to write
> the minimum code to do this.
>
>
> tname = "VIX"
> checkticker = c("VIX", "TYX", "TNX", "IRX")
>
> if (tname == checkticker) {
> //perform some operations
> }
>
> result i get is
>
> > tname == checkticker
> [1] TRUE FALSE FALSE FALSE
>
> how do i evaluate this whole list to a single boolean True or False?
> If
> any of these are true the whole statement is True, else False. this
> only seems to work for the first ticker, the rest don't perform the
> operations within the loop.
>
>
> > tname = "IRX"
> > tname == checkticker
> [1] FALSE FALSE FALSE TRUE
>
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> and provide commented, minimal, self-contained, reproducible code.
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