Alternatively, you can use ?glob2rx
test[, grep(glob2rx("*[tT]"), names(test))]
which allows for wildcards.
--sundar
Benilton Carvalho said the following on 3/26/2007 12:19 PM:
> if 'test' is your data frame...
>
> test[, grep("[tT]$", names(test))]
>
> b
>
> On Mar 26, 2007, at 3:06 PM, [EMAIL PROTECTED] wrote:
>
>> Dear R users
>>
>> I would like to make a new dataframe from an existing dataframe,
>> retaining
>> ONLY those variables that end in the letter "t"
>>
>> I have searched the help archives and consulted several reference
>> books but
>> cannot seem to find an example.
>>
>> Any ideas...? Thanks!
>>
>> Mark
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> [email protected] mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-
>> guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> [email protected] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
______________________________________________
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and provide commented, minimal, self-contained, reproducible code.
