Nothing
genotypeCallsBayes <-
function (ALLELE.num, errorRate = 5e-04, eps = 1e-10, maxIterate = 100,
verbose = FALSE)
{
P0.n <- 0.5
P0.p1 <- P0.p2 <- (1 - P0.n)/2
ALLELE.prob <- NULL
P.n <- 1/3
P.p1 <- P.p2 <- (1 - P.n)/2
numIterate <- 1
E <- errorRate
while (abs(P0.n - P.n) > eps && numIterate <= maxIterate) {
P0.p1 <- P.p1
P0.p2 <- P.p2
P0.n <- P.n
n <- rowSums(ALLELE.num)
k <- ALLELE.num[, 1]
ALLELE.prob <- cbind((1 - E)^k * E^(n - k), 0.5^n, (1 -
E)^(n - k) * E^k) %*% diag(c(P0.p1, P0.n, P0.p2))
ALLELE.type <- rep(NA, nrow(ALLELE.prob))
ALLELE.maxprob <- apply(ALLELE.prob,1,max)
ALLELE.type[ALLELE.prob[, 1] == ALLELE.maxprob] <- 1
ALLELE.type[ALLELE.prob[, 3] == ALLELE.maxprob] <- 3
ALLELE.type[ALLELE.prob[, 2] == ALLELE.maxprob | ALLELE.prob[,
1] == ALLELE.prob[, 3]] <- 2
P.n <- mean(ALLELE.type == 2)
P.p1 <- P.p2 <- (1 - P.n)/2
if (verbose)
cat(P.p1, P.n, P.p2, table(filter.markers <- ALLELE.type !=
2), "\n", sep = "\t")
numIterate <- numIterate + 1
}
ALLELE.prob <- ALLELE.prob/rowSums(ALLELE.prob, na.rm = TRUE)
list(prop = c(P.p1, P.n, P.p2), prob = ALLELE.prob, type = ALLELE.type)
}
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