[BioC] Relative distribution of Gene Lengths

[Naomi Altman]

You should probably use the Kolmogorov-Smirnov test or similar test 
to determine if 2 distributions are equal.

l think you need independent samples, so what you should do is create 
vector 3 - the length of all genes NOT identified from the microarray 
experiment and compare 2 to 3.

However, the fairness of this depends on what you mean by 
"identified".  If you mean genes that were selected using the 
microarray array results, I would use the lengths only of the genes 
actually on the array.

--Naomi

At 07:57 AM 8/20/2006, Sean Davis wrote:
>Marco Blanchette wrote:
> > Dear All,
> >
> > I have two vectors of different size containing, in vector 1, the length of
> > all genes from a genome and, in vector 2, the length of the genes 
> identified
> > in a microarray experiment. My goal is two draw a relative distribution of
> > the gene size of the two population of genes.
> >
> > Is there an easy way to compute and draw such relative distributions?
> >
>
>You might look at ?hist, ?density, ?boxplot, and many others.
>
>Sean
>
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Naomi S. Altman                                814-865-3791 (voice)
Associate Professor
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