Nothing
summary.sop <- function(object, ...) {
edf <- object$out$edf
nam <- names(edf)
edf <- c(edf, sum(edf), sum(edf) + length(object$b.fixed))
names(edf) <- c(nam, "Total edf", "Total")
nobs <- length(object$y) - length(object$na.action)
residual.df <- nobs - sum(edf) - length(object$b.fixed)
w <- object$weights
mean.y <- sum(w * object$y, na.rm = TRUE)/sum(w)
w <- sqrt(w)
r.sq <- if(inherits(object$family, "general.family") || !is.null(object$family$no.r.sq)) {
NULL
} else {
1-var(w*(as.numeric(object$y) - object$fitted.values), na.rm = TRUE)*(nobs - 1)/(var(w*(as.numeric(object$y) - mean.y), na.rm = TRUE)*residual.df)
}
dev.expl <- (object$null.deviance - object$deviance)/object$null.deviance
out <- list(call = object$call, b.random = object$b.random,
b.fixed = object$b.fixed, r.sq.adj = r.sq, deviance = object$deviance,
null.deviance = object$null.deviance,
dev.expl = dev.expl, n = nobs, iter = object$out$it.ol,
residual.df = residual.df, edf = edf,
formula = object$formula, family = object$family,
na.action = object$na.action)
class(out) <- "summary.sop"
out
}
#------------------------------------------------------------
#------------------------------------------------------------
#------------------------------------------------------------
# deviance.sop <- function(object,...)
# {
# sum(object$dev.residuals)
# }
#------------------------------------------------------------
#------------------------------------------------------------
# AIC.sop <- function (object, ..., k = 2, c = FALSE)
# {
# if (length(list(...))) {
# object <- list(object, ...)
# issop <- unlist(lapply(object, is, class2="sop"))
# if (!any(issop))
# stop("some of the objects are not sop")
#
# df <- as.numeric(lapply(object, function(x) x$df.fit))
# N <- as.numeric(lapply(object, function(x) x$N))
# Cor <- if ((k == 2) && (c == TRUE))
# (2 * df * (df + 1))/(N - df - 1)
# else rep(0, length(object))
# AIC <- as.numeric(lapply(object, function(x) x$G.dev +
# x$df.fit * k)) + Cor
# val <- as.data.frame(cbind(df, AIC))
# Call <- match.call()
# Call$k <- NULL
# Call$c <- NULL
# row.names(val) <- as.character(Call[-1])
# val <- val[order(AIC), ]
# val
# }
# else {
# val <- if (is.gamlss(object))
# object$G.dev + object$df.fit * k
# else stop(paste("this is not a gamlss object"))
# if ((k == 2) && (c == TRUE))
# val <- val + (2 * object$df.fit * (object$df.fit +
# 1))/(object$N - object$df.fit - 1)
# val
# }
# }
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