Martin Morgan wrote:
Hi Rajasekaramya

sapply(geneset[1:5431], "[[", "V1")

or

Bioconductor::subListExtract(geneset[1:5431], "V1")

oops, I meant using the 'Biobase' package from Bioconductor, e.g.,

> library(Biobase)
> subListExtract(geneset[1:5431], "V1")

Sorry for the confusion,

Martin


Martin

Rajasekaramya wrote:
Hi,

I have a problem in assessing the list element.

     i have list called geneset it contains the following elements
           > geneset
      [[1]]
         V1          V2       V3  .......V200
   Genename    gene1  gene2....gene200

   [[2]]
       V1            V2   V3 V4...V[240]
    Genename    gene1 gene2....gene240
  :
  :
  :
  :
  : [[5431]]


i want to get  V1 values for all the elements(1:5431) in the geneset in a
may be in a vector or in any other form


Ramya Thulasingam




--
Martin Morgan
Computational Biology / Fred Hutchinson Cancer Research Center
1100 Fairview Ave. N.
PO Box 19024 Seattle, WA 98109

Location: Arnold Building M2 B169
Phone: (206) 667-2793

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