-Halcyon- wrote:
>
> My question is : How do I arbitrarily assign the animals being "FALSE"
> ***according to the uniformal chance generation*** to the array
> Dead.Animals, there being "TRUE"?
>
Maybe I'm missing something, but aren't dead animals just the ones that
aren't alive? Why do you even need the Dead.Animals array if you filled
Live.Animals correctly?
## 4 animals in cohort and 3 years
Live.Animals<-matrix(c(T,T,F, T,T,T, T,T,F, F,F,F), nrow=4, byrow=TRUE)
Live.Animals
[,1] [,2] [,3]
[1,] TRUE TRUE FALSE
[2,] TRUE TRUE TRUE
[3,] TRUE TRUE FALSE
[4,] FALSE FALSE FALSE
# Dead animals are NOT Live.Animals?
!Live.Animals
[,1] [,2] [,3]
[1,] FALSE FALSE TRUE
[2,] FALSE FALSE FALSE
[3,] FALSE FALSE TRUE
[4,] TRUE TRUE TRUE
# or maybe use rowSums to find dead animals
dead<- which(rowSums(Live.Animals) < 3)
[1] 1 3 4
Chris
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