[BioC] pvalue and padj in DESeq

[narges [guest]]

Hi

i have a proper count table of RNA-Seq and i have applied edgeR package for obtaining differentially expressed genes and I have obtained nice acceptable result.
But now I am applying also DESeq over the same data but the pval and padj columns of the nbinomTest over them is strange, it is almost 1.00 or NA.
Why is this so?
thanks a lot for your answers in advance

 -- output of sessionInfo(): 

> head (res$padj)
[1]  1 NA  1  1  1  1


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