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uninfect
2008 Jul 18
3
"Spreading risk" in a matrix
I have a binary matrix that represents a map of invasive species risk (1 =
infested; 0 = uninfested). It started as a matrix of probabilities
(developed in ArcMap) that I converted to binary with this R code:
binary.matrix<-matrix(rbinom(length(prob.matrix),prob=prob.matrix,size=1),nrow=nrow(prob.matrix))
Now, I would like to "spread" the risk for year 2 of the invasion. I'd l...