Dear R and Bioconductor Helpers,

I am using a package called RankProd under Bioconductor to analysis my
Y98 (yeast) microarray data. I had no problem following the example in
the vignette but got stocked when I tried to analyze my own data. 

When I tried to run the following command, 

RP.out <- RP(rrf.sub, rrf.cl.sub, gene.names = y98.gnames, rand = 123)

I got the following response:

Rank Product analysis for two-class case 
 
Starting 100 permutations... 
Computing pfp .. 
Error in "row.names<-.data.frame"(`*tmp*`, value = c("logical(0)",
"logical(0)",  : 
        duplicate 'row.names' are not allowed

What is the problem? Is there something wrong with my gene names file?
How can I fix it? 

Thank you very much for your kind help. 


Best Regards,

- Cleo 



Chia-Wen Cleo Chang
PhD Student
CMB, BioCentrum-DTU, Building 223, room 213 
Technical University of Denmark, DK-2800 Lyngby, Denmark 
Telephone: +45 4525 2997, Fax: +45 4588 4148 
E-mail: cwc@biocentrum.dtu.dk 



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