[R] convert data frame of values into correlation matrix

2010-01-30 Thread Juliet Hannah
Hi Group, Consider a data frame like this: mylabel1 - rep(c(A,B,C),each=3) mylabel2 - rep(c(A,B,C),3) corrs - c(1,.8,.7,.8,1,.7,.7,.7,1) myData - data.frame(mylabel1,mylabel2,corrs) myData mylabel1 mylabel2 corrs 1AA 1.0 2AB 0.8 3AC 0.7

Re: [R] convert data frame of values into correlation matrix

2010-01-30 Thread David Winsemius
On Jan 30, 2010, at 2:11 PM, Juliet Hannah wrote: Hi Group, Consider a data frame like this: mylabel1 - rep(c(A,B,C),each=3) mylabel2 - rep(c(A,B,C),3) corrs - c(1,.8,.7,.8,1,.7,.7,.7,1) myData - data.frame(mylabel1,mylabel2,corrs) myData mylabel1 mylabel2 corrs 1AA 1.0

Re: [R] convert data frame of values into correlation matrix

2010-01-30 Thread Gabor Grothendieck
Try his: xtabs(corrs ~., myData) On Sat, Jan 30, 2010 at 2:11 PM, Juliet Hannah juliet.han...@gmail.com wrote: Hi Group, Consider a data frame like this: mylabel1 - rep(c(A,B,C),each=3) mylabel2 - rep(c(A,B,C),3) corrs - c(1,.8,.7,.8,1,.7,.7,.7,1)  myData -