Nothing
getMLE.opticut <-
function(object, which, vcov=FALSE, ...)
{
if (missing(which))
stop("specify which argument")
if (!length(which))
stop("which argument must have length 1")
full_model <- TRUE
if (!is.function(object$dist)) {
Dist <- as.character(object$dist)
Dist <- strsplit(object$dist, ":", fixed=TRUE)[[1L]][1L]
dist <- object$dist
} else {
Dist <- ""
## full model cannot be returned for dist=fun with vcov=TRUE
if (vcov)
stop("vcov=TRUE cannot be used with custom distribution")
full_model <- FALSE
dist <- attr(object$dist, "dist")
}
m1 <- .extractOpticut(object, which,
boot=FALSE,
internal=TRUE,
full_model=full_model,
best=TRUE, ...)[[1L]]
V <- if (vcov)
vcov(m1) else NULL
## use m1$coef when dist=fun, coef(m1) otherwise
est <- if (full_model)
coef(m1) else m1$coef
# rsf: coef and vcov method returns no intercept
if (Dist == "rsf") {
est <- c("(Intercept)"=0, est)
if (vcov)
V <- rbind("(Intercept)"=NA, cbind("(Intercept)"=NA, V))
}
if (Dist %in% c("zip2", "zinb2")) {
est <- c(-est[(length(est)-1L):(length(est))],
est[1:(length(est)-2L)])
if (vcov)
V <- V[names(est), names(est)]
}
## these require full model, which is given by full_model
if (Dist == "negbin")
attr(est, "theta") <- m1$theta
if (Dist == "gaussian")
attr(est, "sigma") <- summary(m1)$sigma
list(coef=est, vcov=V, dist=dist)
}
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