Re: [R] Reshape matrix from wide to long format

#handy if you like ggplot2 as this is required #I think this is what you want library(reshape) m <- matrix(1:20, nrow=4, dimnames=list(LETTERS[1:4], letters[1:5])) melt(m) On Tue, Nov 25, 2008 at 8:01 AM, Gabor Grothendieck <[EMAIL PROTECTED]> wrote: > Try this: > >> as.data.frame.table(m) > Var

Re: [R] Reshape matrix from wide to long format

Try this: > as.data.frame.table(m) Var1 Var2 Freq 1 Aa1 2 Ba2 3 Ca3 4 Da4 5 Ab5 6 Bb6 7 Cb7 8 Db8 9 Ac9 10Bc 10 11Cc 11 12Dc 12 13Ad 13 14B

[R] Reshape matrix from wide to long format

I forgot the reshape equivalent for converting from wide to long format. Can someone help as my matrix is very big. The followin is just an example. > m <- matrix(1:20, nrow=4, dimnames=list(LETTERS[1:4], letters[1:5])) > m a b c d e A 1 5 9 13 17 B 2 6 10 14 18 C 3 7 11 15 19 D 4 8 12