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### This function estimates the proportion of parent-offspring pairs
### within each pair of Sex X Age classes
"pPOpop" <- function(ageClass, Breed=NA, N0){
b <- Breed
ageClass <- ageClass[ageClass$Breed==b,]
withSexes <- all(ageClass$Group %in% c("male", "female"))
if(withSexes){
cont <- data.frame(age = 1:max(ageClass$age),
female = ageClass$cont0[ageClass$Group=="male"],
male = ageClass$cont0[ageClass$Group=="female"])
pOff <- data.frame(age = 1:max(ageClass$age),
female = ageClass$propOff[ageClass$Group=="male"],
male = ageClass$propOff[ageClass$Group=="female"])
fClasses <- paste0(Breed,".Age", cont$age, ".female")
mClasses <- paste0(Breed,".Age", cont$age, ".male")
Classes <- c(fClasses, mClasses)
if(nrow(cont)==1){
NPO <- matrix(0, nrow=2, ncol=2, dimnames=list(Classes, Classes))
return(NPO)
}
nAges <- nrow(cont)
Xm <- matrix(0, nrow=nAges, ncol=nAges)
Xf <- matrix(0, nrow=nAges, ncol=nAges)
for(i in 1:(nAges-1)){
Xm[i, (i+1):nAges] <- pOff$male[1:(nAges-i)]
Xf[i, (i+1):nAges] <- pOff$female[1:(nAges-i)]
}
ra <- cont$female[1] + cont$male[1]
N <- round(N0/ra)
Nm <- round(cont$male[1]*N)
Nf <- round(cont$female[1]*N)
Ncohort <- (cont$male+cont$female)*N
Nclass <- c(cont$female*N, cont$male*N)
psurvived <- c(cont$female*N/Nf, cont$male*N/Nm)
pmale <- cont$male/(cont$male+cont$female)
NPO <- ((Ncohort) %*% t(psurvived)) * cbind(Xf, Xm)
NPO <- rbind(diag(1-pmale)%*%NPO, diag(pmale)%*%NPO)
NPO <- ((1/Nclass) %*% t(1/Nclass)) * NPO
}else{
cohort <- ageClass$cont0
pOff <- ageClass$propOff
Classes <- paste0(Breed,".Age", 1:max(ageClass$age), ".cohort")
if(length(cohort)==1){
NPO <- matrix(0, nrow=1, ncol=1, dimnames=list(Classes, Classes))
return(NPO)
}
nAges <- length(cohort)
X <- matrix(0, nrow=nAges, ncol=nAges)
for(i in 1:(nAges-1)){
X[i, (i+1):nAges] <- pOff[1:(nAges-i)]
}
N <- round(N0/cohort[1])
Ncohort <- cohort*N
psurvived <- cohort/cohort[1]
NPO <- ((Ncohort) %*% t(psurvived)) * X
NPO <- ((1/Ncohort) %*% t(1/Ncohort)) * NPO
}
NPO[is.na(NPO)] <- 0
NPO <- NPO + t(NPO)
rownames(NPO) <- Classes
colnames(NPO) <- Classes
return(NPO)
}
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