search for: tp3912560p3912767

...x5=rnorm(20)+5, x6=rnorm(20)+5, x7=rnorm(20)+5, x8=rnorm(20)+5) r2=c() cinit=0 for (col in 1:9) { cinit=cinit+1 st=cinit+1 end=dim(d)[2] r=d[,cinit]-d[,st:end] r2=cbind(r2,r) } -- View this message in context: http://r.789695.n4.nabble.com/calculating-ratios-from-all-combinations-tp3912560p3912767.html Sent from the R help mailing list archive at Nabble.com.