On 19-Sep-08 16:03:45, Greg Snow wrote:
> Peter showed you the %in% operator, you may also want to look at the
> subset, transform, with, and within functions for future use as ways to
> reduce the need to type the name of an object multiple times.
>
> Hope this helps,
Let me add my perhaps very
Peter showed you the %in% operator, you may also want to look at the subset,
transform, with, and within functions for future use as ways to reduce the need
to type the name of an object multiple times.
Hope this helps,
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healt
Mark
Try
dataframe$newvariable[data$oldvariable %in% c("X","Y","Z")] <- "group1"
HTH ...
Peter Alspach
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Mark Na
> Sent: Friday, 19 September 2008 12:11 p.m.
> To: [EMAIL PROTECTED]
> Subject: [R] M
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