DATA_OK <- DATA[-grep("^Start", names(DATA)),]
On 7/18/07, João Fadista <[EMAIL PROTECTED]> wrote:
> Dear all,
>
> I would like to know how can I retrieve a data.frame without the columns that
> have a partial match name. Let´s say that I have a data.frame with 200
> columns and 100 of them have the name "StartX", with X being the unique part
> for each column name. I want to delete all columns that have the name
> starting with "Start". I´ve tried to do this but it doesn´t work:
>
> > DATA_OK <- DATA[,-match(("Start*"),names(DATA))]
> > dim(DATA_OK)
> NULL
>
>
> Thanks in advance.
> Best regards
>
> João Fadista
> Ph.d. student
>
>
>
> UNIVERSITY OF AARHUS
> Faculty of Agricultural Sciences
> Dept. of Genetics and Biotechnology
> Blichers Allé 20, P.O. BOX 50
> DK-8830 Tjele
>
> Phone: +45 8999 1900
> Direct: +45 8999 1900
> E-mail: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem you are trying to solve?
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