Dear R users
I want change the entries in a matrix. I did a matrix
A=0 1 5
.3 0 0
0 .5 0
A1<-A
A2<-A*0.90
A2
1 2 3
1 0.00 0.90 4.5
2 0.27 0.00 0.0
3 0.00 0.45 0.0
I need replace elements one by one in a loop
I tried the following using package POPBIO,
total <-matrix(0, nrow=5, ncol=60)
for(i in 1:10){
A1<-A
A1[1,2] <- A2[1,2]
A1[1,3]<-A2[1,3]
A1[2,1]<-A2[2,1]
A1[3,2]<-A2[3,2]
n <-runif(3)
n <- n/sum(n)
p1<-pop.projection(A1,n,60)
total[i,] <- p1$pop.sizes}
matplot2(total, legend=NA,xlab=c(years))
but i not view change in population
Thanks in advance
Fidel M.
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