r - include an 'outside' matrix when using an apply function on a 'target' matrix -


friends! i'd take each row of matrix , apply function it. part fine - r code looks this:

apply(rategroup, 1, function(x) do.call(groupcoord(x), as.list(x)))

and each row of 'rategroup' goes function 'groupcoord'

...but if want function 'groupcoord' use matrix outside of function, 1 same each row of 'rategroup')?

...or, bonus question: if wanted matrix outside of function updated 1 progresses through rows of 'rategroup'?

sorry don't have examples here, because cannot work...but do* have code below running first row of 'rategroup' through function, involves 'outside' matrix called 'overlap'

thank insights!

==

candidates <- 19 raters <- 12 groupsize <- 4  overlap<-matrix(0,nrow = raters, ncol = raters)  ratenum<-1:raters  groupcoord <- function(a,lap) {   x1 <- a[1]   x2 <- a[2]   x3 <- a[3]   x4 <- a[4]   lap[x2,x1] <- lap[x2,x1] + 1   lap[x3,x1] <- lap[x3,x1] + 1   lap[x4,x1] <- lap[x4,x1] + 1   lap[x3,x2] <- lap[x3,x2] + 1   lap[x4,x2] <- lap[x4,x2] + 1   lap[x4,x3] <- lap[x4,x3] + 1   return(lap) }  rategroup<-replicate(candidates, sample(raters, size=groupsize, replace=false)) rategroup<-t(apply(rategroup, 2, sort))  groupcoord(rategroup[1,],overlap)


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