[R] help for reshape function

[Andrie de Vries]

Xin Wei

I have sympathy with your difficulties in understanding the reshape()
function.

May I recommend using the melt() and cast() functions instead, available in
the reshape package.  You can find information, help and examples here:

http://had.co.nz/reshape/

This simplifies the coding of your problem dramatically:

---

library(reshape)
df <- data.frame(gene=c("gene1", "gene2", "gene3"),
                 patient1=c(10,20,100),
                 patient2=c(20,40,200),
                 patient3=c(50,60,300))
                 
melt(df, id.vars="gene")

---

Andrie
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