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## Summary Method
summary.glarma <- function(object, tests = TRUE, ...) {
sum <- list()
sum$call <- object$call
sum$methods <- data.frame(type = object$type, iter.method = object$method,
Resid.type = object$residType, row.names = "")
sum$null.deviance <- object$null.deviance
sum$df.null <- object$df.null
sum$deviance <- sum(object$residuals^2)
sum$aic <- object$aic
sum$df.residual <- NROW(object$y) - NROW(object$delta)
sum$phi.lags <- object$phiLags
sum$theta.lags <- object$thetaLags
sum$pq <- object$pq
sum$iter <- object$iter
sum$deviance.resid <- object$residuals
if (tests) sum$likTests <- unclass(likTests(object))
sum$tests <- tests
## sum$five.num.summary <- fivenum(object$residuals)
## names(sum$five.num.summary) <- c("Min", "1Q", "Median", "3Q", "Max")
sum$coefficients1 <- glarmaModelEstimates(object)[1:ncol(object$X), ]
if (object$type == "NegBin"){
sum$coefficients2 <-
glarmaModelEstimates(object)[(ncol(object$X) + 1):
(ncol(object$X) +
length(object$thetaLags) +
length(object$phiLags)), ]
sum$coefficients3 <-
glarmaModelEstimates(object)[length(object$delta), ]
} else {
sum$coefficients2 <-
glarmaModelEstimates(object)[(ncol(object$X) + 1):
length(object$delta), ]
}
class(sum) <- "summary.glarma"
sum
}
## print method for summary method of glarma
print.summary.glarma <- function(x, digits = max(3L, getOption("digits") - 3L),
...) {
cat("\nCall: ", paste(deparse(x$call), sep = "\n", collapse = "\n"),
"\n\n", sep = "")
cat(as.character(x$method$Resid.type), "Residuals:\n",
sep = " ")
if (x$df.residual >5) {
x$deviance.resid <- setNames(quantile(x$deviance.resid, na.rm = TRUE),
c("Min", "1Q", "Median", "3Q", "Max"))
}
xx <- zapsmall(x$deviance.resid, digits + 1L)
print.default(xx, digits = digits, na.print = "", print.gap = 2L)
## print.default(format(x$five.num.summary, digits = 4), print.gap = 2,
## quote = FALSE)
if (x$methods$type == "NegBin"){
cat("\nNegative Binomial Parameter:\n")
printCoefmat(x$coefficients3, digits = digits, signif.legend = F, ...)
if (x$pq > 0) {
cat("\nGLARMA Coefficients:\n")
printCoefmat(x$coefficients2, digits = digits,
signif.legend = F, ...)
}
} else{
if (x$pq > 0) {
cat("\nGLARMA Coefficients:\n")
printCoefmat(x$coefficients2, digits = digits,
signif.legend = F, ...)
}
}
cat("\nLinear Model Coefficients:\n")
printCoefmat(x$coefficients1, digits = digits,
signif.legend = !x$tests, ...)
cat("\n",
apply(cbind(paste(format(c("Null", "Residual"), justify = "right"),
"deviance:"),
format(unlist(x[c("null.deviance", "deviance")]),
digits = max(5L, digits + 1L)), " on",
format(unlist(x[c("df.null", "df.residual")])),
" degrees of freedom\n"),
1L, paste, collapse = " "), sep = "")
cat("AIC:", x$aic, "\n\n", sep = " ")
cat("Number of", switch(as.character(x$method$iter.method),
FS = "Fisher Scoring", NR = "Newton Raphson"),
"iterations:", x$iter, sep = " ")
cat("\n")
if (x$tests == TRUE){
cat("\nLRT and Wald Test:\n")
cat("Alternative hypothesis: model is a GLARMA process\n")
cat("Null hypothesis: model is a GLM with the same regression structure\n")
printCoefmat(x$likTests, P.values = TRUE, has.Pvalue = TRUE,
digits = digits)
cat("\n")
}
}
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