[R] Help on Select.list

[David Winsemius]

On Sep 3, 2010, at 3:55 AM, Ravi S. Shankar wrote:

> Hi R,
>
>
>
> I am using select.list
>
> names=c("Ravi", "Raj","Shubha","Nivriti")
>
> select.list(names)  provides a drop down to choose one of the 4 names.
>
>
>
> However I would like to know if it is possible to create a
> classification  something like this
>
>
>
> select.list(names) should give
>

See if these beginnings get you any further:

 > ifelse( names %in% c("Ravi", "Raj") ,"Boys", "Girls")
[1] "Boys"  "Boys"  "Girls" "Girls"


 > names[names %in% c("Ravi", "Raj")]
[1] "Ravi" "Raj"
 > names[!(names %in% c("Ravi", "Raj"))]
[1] "Shubha"  "Nivriti"

In any case you will need to provided a master list of either (or  
both) boy names and girl names.

>
>
> Boys
>
> Ravi
>
> Raj
>
> Girls
>
> Shubha
>
> Nivriti
>
> I should be able to choose only one of the names.

I'm afraid that did not make much sense to me.

-- 
David.
>
> Any help would be appreciated.
>
>
>
> R version 2.10.1 (2009-12-14)
>
> i386-pc-mingw32
>
>
>
> locale:
>
> [1] LC_COLLATE=English_United States.1252
>
> [2] LC_CTYPE=English_United States.1252
>
> [3] LC_MONETARY=English_United States.1252
>
> [4] LC_NUMERIC=C
>
> [5] LC_TIME=English_United States.1252
>
>
>
> attached base packages:
>
> [1] stats     graphics  grDevices datasets  utils     methods   base
>
>
>
>
> other attached packages:
>
> [1] clim.pact_2.2-41 akima_0.5-4      ncdf_1.6.1       rcom_2.2-3
>
> [5] rscproxy_1.3-1
>
>
>
> loaded via a namespace (and not attached):
>
> [1] tools_2.10.1
>
>
>
> Thank you
>
> Regards
>
> Ravi
>
>
>
> This e-mail may contain confidential and/or privileged i...{{dropped: 
> 13}}
>
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David Winsemius, MD
West Hartford, CT