Re: [R] reshape a matrix

2011-08-21 Thread Uwe Ligges
On 21.08.2011 12:54, Michael Dewey wrote: At 18:21 20/08/2011, Uwe Ligges wrote: On 20.08.2011 19:04, David Winsemius wrote: On Aug 20, 2011, at 12:32 PM, Uwe Ligges wrote: [snip original problem] David, I think there are some good examples on the help page. What is missing? What is n

Re: [R] reshape a matrix

2011-08-21 Thread Michael Dewey
At 18:21 20/08/2011, Uwe Ligges wrote: On 20.08.2011 19:04, David Winsemius wrote: On Aug 20, 2011, at 12:32 PM, Uwe Ligges wrote: [snip original problem] David, I think there are some good examples on the help page. What is missing? What is not clearly explained? If a longer tutorial i

Re: [R] reshape a matrix

2011-08-20 Thread Rolf Turner
On 21/08/11 03:04, Wendy wrote: Hi all, I have a data.frame like following A<-c('d0','d0','d1','d1','d2','d2') B<-rep(c('control','sample'),3) C<-c(rep(10,2),200,300,400,500) dataframe<-data.frame(A,B,C) I want to reshape the matrix, so the matrix with 'd0', 'd1' and 'd2' in rows and 'cont

Re: [R] reshape a matrix

2011-08-20 Thread David Winsemius
On Aug 20, 2011, at 1:39 PM, David Winsemius wrote: On Aug 20, 2011, at 1:21 PM, Uwe Ligges wrote: On 20.08.2011 19:04, David Winsemius wrote: On Aug 20, 2011, at 12:32 PM, Uwe Ligges wrote: On 20.08.2011 17:04, Wendy wrote: Hi all, I have a data.frame like following A<-c('d0','d0',

Re: [R] reshape a matrix

2011-08-20 Thread David Winsemius
On Aug 20, 2011, at 1:21 PM, Uwe Ligges wrote: On 20.08.2011 19:04, David Winsemius wrote: On Aug 20, 2011, at 12:32 PM, Uwe Ligges wrote: On 20.08.2011 17:04, Wendy wrote: Hi all, I have a data.frame like following A<-c('d0','d0','d1','d1','d2','d2') B<-rep(c('control','sample'),3) C<

Re: [R] reshape a matrix

2011-08-20 Thread Uwe Ligges
On 20.08.2011 19:04, David Winsemius wrote: On Aug 20, 2011, at 12:32 PM, Uwe Ligges wrote: On 20.08.2011 17:04, Wendy wrote: Hi all, I have a data.frame like following A<-c('d0','d0','d1','d1','d2','d2') B<-rep(c('control','sample'),3) C<-c(rep(10,2),200,300,400,500) dataframe<-data.

Re: [R] reshape a matrix

2011-08-20 Thread David Winsemius
On Aug 20, 2011, at 12:32 PM, Uwe Ligges wrote: On 20.08.2011 17:04, Wendy wrote: Hi all, I have a data.frame like following A<-c('d0','d0','d1','d1','d2','d2') B<-rep(c('control','sample'),3) C<-c(rep(10,2),200,300,400,500) dataframe<-data.frame(A,B,C) I want to reshape the matrix, so

Re: [R] reshape a matrix

2011-08-20 Thread Uwe Ligges
On 20.08.2011 17:04, Wendy wrote: Hi all, I have a data.frame like following A<-c('d0','d0','d1','d1','d2','d2') B<-rep(c('control','sample'),3) C<-c(rep(10,2),200,300,400,500) dataframe<-data.frame(A,B,C) I want to reshape the matrix, so the matrix with 'd0', 'd1' and 'd2' in rows and '

[R] reshape a matrix

2011-08-20 Thread Wendy
Hi all, I have a data.frame like following A<-c('d0','d0','d1','d1','d2','d2') B<-rep(c('control','sample'),3) C<-c(rep(10,2),200,300,400,500) dataframe<-data.frame(A,B,C) I want to reshape the matrix, so the matrix with 'd0', 'd1' and 'd2' in rows and 'control' and 'sample' in columns. Is t

Re: [R] Reshape a matrix

2008-11-06 Thread Gabor Grothendieck
Assuming you mean data frame and not matrix and depending on whether the empty spaces are intended to represent NA or 0 we have: > DF <- data.frame(V1 = LETTERS[1:3], V2 = LETTERS[24:26], V3 = 1:3) > tapply(DF[[3]], DF[1:2], c) V2 V1 X Y Z A 1 NA NA B NA 2 NA C NA NA 3 > xtabs(V3 ~

Re: [R] Reshape a matrix

2008-11-06 Thread ONKELINX, Thierry
nkelijk bericht- Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Namens dinesh kumar Verzonden: donderdag 6 november 2008 1:53 Aan: r-help@r-project.org Onderwerp: [R] Reshape a matrix Dear R users, I have a matrix like A X1 B Y2 C Z3 I want to reshape this matrix i

Re: [R] Reshape a matrix

2008-11-05 Thread cruz
On Thu, Nov 6, 2008 at 8:53 AM, dinesh kumar <[EMAIL PROTECTED]> wrote: > Dear R users, > > I have a matrix like > > A X1 > B Y2 > C Z3 > > I want to reshape this matrix into this format > >X Y Z > A 1 > B 2 > C 3 > is this what you

[R] Reshape a matrix

2008-11-05 Thread dinesh kumar
Dear R users, I have a matrix like A X1 B Y2 C Z3 I want to reshape this matrix into this format X Y Z A 1 B 2 C 3 Thanks in advance for your help. Dinesh -- Dinesh Kumar Barupal Junior Specialist Metabolomics Fiehn Lab UC