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#' summary.sglg
#'
#' summary.sglg extracts displays the summary of the fitted model including parameter estimates, associated (approximated) standard errors and goodness-of-fit statistics from a model from an object of class 'sglg'.
#' @param object an object of the class sglg. This object is returned from the call to glg(), sglg(), survglg() or ssurvglg() function.
#' @param ... other arguments.
#' @export
summary.sglg <- function(object, ...) {
if (object$semi == FALSE & object$censored == FALSE) {
cat(" -------------------------------------------------------------- ")
cat("\n Semi-parametric generalized log-gamma regression model \n")
cat(" --------------------------------------------------------------\n")
cat(" Sample size: ", length(object$y_est))
cat(" Censored: ")
print(object$censored)
cat("\n ------------------------ Location model ---------------------- \n\n")
cat(" -------------------- Parametric component --------------------\n\n")
p <- object$p
Estimate <- object$mu
StdErr <- object$st_error[1:p]
tval <- Estimate/StdErr
p.value <- object$p.values[1:p]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames(object$X)
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = FALSE, tst.ind = c(2, 3))
cat("\n ----------------------- Scale parameter ---------------------- \n\n")
Estimate <- object$sigma
StdErr <- object$st_error[p + 1]
tval <- Estimate/StdErr
p.value <- object$p.values[p + 1]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames("sigma")
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = FALSE, tst.ind = c(2, 3))
cat("\n ---------------------- Shape parameter ---------------------- \n\n")
Estimate <- object$lambda
StdErr <- object$st_error[p + 2]
tval <- Estimate/StdErr
p.value <- object$p.values[p + 2]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames("lambda")
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = TRUE, tst.ind = c(2, 3))
cat(" -------------------------------------------------------------\n\n")
cat(" Deviance: ", round(object$deviance, digits = 2), "\n\n")
cat(" ----------------- Penalized Log-likelihood ------------------\n\n")
cat(" Log-lik: ", round(object$llglg, digits = 2), "\n\n")
cat(" ------------------ Information criterion --------------------\n\n")
cat(" AIC: ", round(object$AIC, digits = 2), "\n")
cat(" BIC: ", round(object$BIC, digits = 2), "\n\n")
cat(" -------------------------------------------------------------\n")
}
if (object$semi == FALSE & object$censored == TRUE) {
cat(" -------------------------------------------------------------- ")
cat("\n Semi-parametric generalized log-gamma regression model \n")
cat(" --------------------------------------------------------------\n")
cat(" Sample size: ", length(object$y_est))
cat(" Censored: ")
print(object$censored)
cat(" Percentage of censored observations: ")
print(object$per.censo)
cat("\n ------------------------ Location model ---------------------- \n\n")
cat(" ---------- Parametric component ----------\n\n")
p <- object$p
Estimate <- object$mu
StdErr <- object$st_error[1:p]
tval <- Estimate/StdErr
p.value <- object$p.values[1:p]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames(object$X)
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = FALSE, tst.ind = c(2, 3))
cat("\n --------------------- Scale parameter --------------------- \n\n")
Estimate <- object$sigma
StdErr <- object$st_error[p + 1]
tval <- Estimate/StdErr
p.value <- object$p.values[p + 1]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames("sigma")
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = FALSE, tst.ind = c(2, 3))
cat(" ------------------------------------------------------------\n\n")
cat(" Shape: ", round(object$lambda, digits = 2), "\n\n")
cat(" Deviance: ", round(object$deviance, digits = 2), "\n\n")
cat(" ----------------- Penalized Log-likelihood -----------------\n\n")
cat(" Log-lik: ", round(object$llglg, digits = 2), "\n\n")
cat(" ------------------ Information criterion -------------------\n\n")
cat(" AIC: ", round(object$AIC, digits = 2), "\n")
cat(" BIC: ", round(object$BIC, digits = 2), "\n\n")
cat(" --------------------------------------------------------------\n")
}
if (object$semi == TRUE & object$censored == FALSE) {
cat(" -------------------------------------------------------------- ")
cat("\n Semi-parametric generalized log-gamma regression model \n")
cat(" --------------------------------------------------------------\n")
cat(" Sample size: ", length(object$y_est))
cat(" Censored: ")
print(object$censored)
cat("\n ---------------------- Location model --------------------- \n\n")
cat(" ---------- Parametric component ----------\n\n")
p <- object$p
Estimate <- object$mu[1:p]
StdErr <- object$st_error[1:p]
tval <- Estimate/StdErr
p.value <- object$p.values[1:p]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames(object$X)
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = FALSE, tst.ind = c(2, 3))
cat("\n ---------- Non-parametric component ----------\n\n")
Knot <- object$Knot
Smoothp <- object$alpha
d.f <- round(object$d.f.npc,4)
BasisD <- Knot
table <- cbind(Smoothp, BasisD)
cat(" Type of basis: ", as.character(object$basis),"\n\n")
cat(" Degrees of freedom: ", as.character(d.f),"\n\n")
colnames(table) <- c("Smooth parameter", "Basis dimension")
rownames(table) <- colnames(object$npc)
printCoefmat(table)
cat("\n -------------------- Scale parameter -------------------- \n\n")
Estimate <- object$sigma
Tknot <- sum(Knot)
StdErr <- object$st_error[p + Tknot + 1]
tval <- Estimate/StdErr
p.value <- object$p.values[p + Tknot + 1]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames("sigma")
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = FALSE, tst.ind = c(2, 3))
cat("\n --------------------- Shape parameter -------------------- \n\n")
Estimate <- object$lambda
StdErr <- object$st_error[p + Tknot + 2]
tval <- Estimate/StdErr
p.value <- object$p.values[p + Tknot + 2]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames("lambda")
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = TRUE, tst.ind = c(2, 3))
cat(" ------------------------------------------------------------\n\n")
cat(" Deviance: ", round(object$deviance, digits = 2), "\n\n")
cat(" ------ Penalized Log-likelihood ------\n\n")
cat(" Log-lik: ", round(object$llglg, digits = 2), "\n\n")
cat(" ------ Information criterion ------\n\n")
cat(" AIC: ", round(object$AIC, digits = 2), "\n")
cat(" BIC: ", round(object$BIC, digits = 2), "\n\n")
cat(" --------------------------------------------------------------\n")
}
if (object$semi == TRUE & object$censored == TRUE) {
cat(" -------------------------------------------------------------- ")
cat("\n Semi-parametric generalized log-gamma regression model \n")
cat(" --------------------------------------------------------------\n")
cat(" Sample size: ", length(object$y_est))
cat(" Censored: ")
print(object$censored)
cat("\n ------------------------ Location model ---------------------- \n\n")
cat(" ---------- Parametric component ----------\n\n")
p <- object$p
Estimate <- object$mu[1:p]
StdErr <- object$st_error[1:p]
tval <- Estimate/StdErr
p.value <- object$p.values[1:p]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames(object$X)
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = FALSE, tst.ind = c(2, 3))
cat(" ---------- Non-parametric component ----------\n\n")
Knot <- object$Knot
Smoothp <- object$alpha
d.f <- object$d.f.npc
BasisD <- Knot
table <- cbind(Smoothp, BasisD, d.f)
colnames(table) <- c("Smooth parameter", "Basis dimension", "d.f")
rownames(table) <- colnames(object$npc)
printCoefmat(table)
cat("\n -------------------- Scale parameter -------------------- \n\n")
Estimate <- object$sigma
Tknot <- sum(Knot)
StdErr <- object$st_error[p + Tknot + 1]
tval <- Estimate/StdErr
p.value <- object$p.values[p + Tknot + 1]
table <- cbind(Estimate, StdErr, tval, p.value)
colnames(table) <- c("Estimate", "Std.Err", "z-value", "Pr(>|z|)")
rownames(table) <- colnames("sigma")
printCoefmat(table, P.values = TRUE, has.Pvalue = TRUE, digits = 5,
signif.legend = FALSE, tst.ind = c(2, 3))
cat(" ------------------------------------------------------------\n\n")
cat(" Shape: ", round(object$lambda, digits = 2), "\n\n")
cat(" Deviance: ", round(object$deviance, digits = 2), "\n\n")
cat(" ------ Penalized Log-likelihood ------\n\n")
cat(" Log-lik: ", round(object$llglg, digits = 2), "\n\n")
cat(" ------ Information criterion ------\n\n")
cat(" AIC: ", round(object$AIC, digits = 2), "\n")
cat(" BIC: ", round(object$BIC, digits = 2), "\n\n")
cat(" --------------------------------------------------------------\n")
}
}
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