[R] data.frame subsetting

Uwe Ligges ligges at statistik.uni-dortmund.de
Thu Jul 24 17:10:07 CEST 2003


Dirk Repsilber wrote:

> Hi,
> 
> is there advice how to subset a data.frame, where until R version 1.7.0 
> it was possible to write
> 
>  > data[["subset"]]
> 
> which meant the same as
> 
>  > data$subset
> 
> (data is a data.frame). From 1.7.1 on this does not seem to work longer. 
> Could there be a bug in downwards compatibility?
> 
> sincerely yours

Works for me. Are you sure the object "data" is a data.frame in your case?

Uwe Ligges




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