[Bioc-devel] Subsetting affybatch and exprset objects

[Rafael A. Irizarry]

even better. unless there are other concerns ill put this on my todo list.

On Tue, 13 Apr 2004, Vincent Carey 525-2265 wrote:

> 
> > the problem is th if you subset eset by the first dimension then you
> > loose the position structure, and as a consequence the locations of pms
> > and mms held in the cdfenv are no longer meaningful. if there are any
> > suggestions on what eset[i,] should return id be happy to consider them.
> 
> at this time i would suggest for an AffyBatch eset: eset[i,] should fail
> with a notice that subsetting by probe is not supported; eset[,j] should
> succeed as it keeps the analogy to exprSet indexing; and eset[j] should
> fail with wrong number of dimensions.
> 
> i think that comma-less subscripting of exprSets should fail too -- but
> currently if eset is an exprSet, eset[j] corresponds to gene-level
> subsetting.  do we really need that?
> 
>