Nothing
EVm.lnre.fzm <- function (obj, m, N=NA, ...)
{
if (! inherits(obj, "lnre.fzm")) stop("argument must be object of class 'lnre.fzm'")
if (missing(N)) stop("argument 'N' is required for 'lnre.fzm' objects")
if (!(is.numeric(N) && all(N >= 0))) stop("argument 'N' must be non-negative integer")
if (!(is.numeric(m) && all(m >= 1))) stop("argument 'm' must be positive integer")
alpha <- obj$param$alpha
A <- obj$param$A
B <- obj$param$B
C <- obj$param2$C
if (obj$exact) {
term1 <- exp(Igamma(m - alpha, N * A, lower=FALSE, log=TRUE) - Cgamma(m + 1, log=TRUE))
# term1 = Igamma(m - alpha, N * A, lower=FALSE) / m!
term2 <- exp(Igamma(m - alpha, N * B, lower=FALSE, log=TRUE) - Cgamma(m + 1, log=TRUE))
# term1 = Igamma(m - alpha, N * B, lower=FALSE) / m!
C * N^alpha * (term1 - term2)
}
else {
factor <- exp(Igamma(m - alpha, N * A, lower=FALSE, log=TRUE) - Cgamma(m + 1, log=TRUE))
# factor = Igamma(m - alpha, N * A, lower=FALSE) / m!
C * N^alpha * factor
}
}
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