Hi!

I have a problem using edgeR packages, especially DGEList() function.
Though there's no error messege when I run DGEList(), I don't have
"norm.factors" in cds$samples.
And I can't run calcNormFactors(), either. (It was same that I added
norm.factors<-1 in cds$samples dataset manually and then run
calcNormFactors().)
If you guys help to fix it, it'll be very helpful.

Thank you in advance.
Kyunghee Park

===
>conds
[1] "other"  "other"  "other"  "breast" "breast" "other"  "other"  "breast"
[9] "breast"
>
cds<-DGEList(counts=mirna.count.matrix,group=conds,lib.size=NULL,genes=NULL,remove.zeros=FALSE)
Calculating library sizes from column totals.
> cds
An object of class "DGEList"
$samples
           group lib.size
SRR029124  other   970218
SRR029125  other  1500254
SRR029126  other  1280521
SRR029127 breast   947041
SRR029128 breast   737793
SRR029129  other  1531409
SRR029130  other   908642
SRR029131 breast  1679689
SRR029132 breast  1143424

$counts
             SRR029124 SRR029125 SRR029126 SRR029127 SRR029128 SRR029129
hsa-let-7a-1     38631     30886      4725         4     30986      1677
hsa-let-7c        1220      3154      8196      2504      5944       121
hsa-let-7d         680       286     43931         0       643         2
hsa-let-7f-1     38631      1026     46053       439     30986         0
hsa-let-7f-2        29      1344        12      2336      1753      2079
             SRR029130 SRR029131 SRR029132
hsa-let-7a-1      1055      1106         2
hsa-let-7c          36         4         2
hsa-let-7d         236         2      9865
hsa-let-7f-1         2         6         1
hsa-let-7f-2       396       745         7
548 more rows ...

$allZeros
hsa-let-7a-1   hsa-let-7c   hsa-let-7d hsa-let-7f-1 hsa-let-7f-2
       FALSE        FALSE        FALSE        FALSE        FALSE
548 more elements ...
> cds<-calcNormFactors(cds)
?
===

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