[BioC] Help with rearranging dataframe
seandavi at gmail.com
Tue Sep 29 21:47:04 CEST 2009
On Tue, Sep 29, 2009 at 3:39 PM, Hari Easwaran <hariharan.pe at gmail.com> wrote:
> Hi all,
> I have another question with handling dataframes.
> I have a dataframe with the 1-st column as probenames (agilent) and the
> remaining columns are the intensity values from multiple samples. I want to
> order this table such that the order of the probenames correspond to the
> order of the genes on the chromosome. To do this I have another table which
> has teh probenames in this order.
Probably the simplest way is to merge the two data.frames first. See
the merge() function. After merging, then do your reordering on the
> For example:
> probename sample1 sample2 sample3
> sample4 ...
> a v11
> v12 v13 v14
> d v21
> v22 v23 v24
> b v31 v32
> v33 v34
> c v41 v42
> v43 v45
> e v51 v52
> v53 v54
> I want the above table to be rearranged such that the 1st column is in the
> order a,b,c,d,e and the correspondig values (v11, v12, etc) are also
> appropriately rearranged.
> Thanks a lot for any help/suggestions.
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