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Old 04-20-2012, 05:48 AM   #1
Him26
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Location: California US

Join Date: Aug 2011
Posts: 19
Question CummeRbund Volcanoplot error

HI,
I am a newbie and I started using cummeRbund about two weeks.
few days ago I upgraded the R version to 2.15 and cummerbund to 1.2.
ever since, when I try to plot volcanoplot I get a following error.

> cufdat2b=readCufflinks('diff_out_2b/')
> csVolcano(genes(cufdat2b),'C','P')
Error in eval(expr, envir, enclos) : object 'log2_fold_change' not found

Can some one tell me what is wrong?
Thank you.
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Old 04-20-2012, 10:50 AM   #2
Him26
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Location: California US

Join Date: Aug 2011
Posts: 19
Default

The solution to the problem was to rebuild the database.

>library(cummerbund)
>cuff<-readCufflinks(rebuild=T)

After rebuilding it worked fine.
Thank you.
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