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tma
2009 Dec 17
1
Help with Merge - unexpected loss of factor level
..."stain" "tumourPERC" "branch"
> levels(tma$tumourA)
[1] "DCIS" "LN Metastasis" "Normal" "Primary Invasive Carcinoma"
#split into cancer and normal tissue
> tma1<-subset(tma, tumourA=="Primary Invasive Carcinoma")
> tma2<-subset(tma, tumourA=="LN Metastasis")
> tmaN<-subset(tma, tumourA=="Normal")
#size of datasets
> dim(tma1)
[1] 587 9
> dim(tma2)
[1] 323 9
> dim(tmaN)
[1] 142 9
#merge back...