#' Print model comparison by calibration results
#'
#' Print model comparison by calibration results
#'
#' @param x An object returned by \code{\link{compare_by_calibrate}}.
#' @param ... Other parameters (not used).
#'
#' @method print hdnom.compare.calibrate
#'
#' @export
#'
#' @examples
#' NULL
print.hdnom.compare.calibrate <- function(x, ...) {
for (i in seq_along(x)) {
print(x[[i]])
cat("\n")
}
invisible(x)
}
#' Summary of model comparison by calibration results
#'
#' Summary of model comparison by calibration results
#'
#' @param object An object returned by \code{\link{compare_by_calibrate}}.
#' @param ... Other parameters (not used).
#'
#' @method summary hdnom.compare.calibrate
#'
#' @export
#'
#' @examples
#' NULL
summary.hdnom.compare.calibrate <- function(object, ...) {
for (i in seq_along(object)) {
cat(" Model type:", names(object)[i], "\n")
summary(object[[i]])
cat("\n")
}
invisible(object)
}
#' Plot model comparison by calibration results
#'
#' Plot model comparison by calibration results
#'
#' @param x An object returned by \code{\link{compare_by_calibrate}}.
#' @param xlim x axis limits of the plot.
#' @param ylim y axis limits of the plot.
#' @param col.pal Color palette to use. Possible values are
#' \code{"JCO"}, \code{"Lancet"}, \code{"NPG"}, and \code{"AAAS"}.
#' Default is \code{"JCO"}.
#' @param ... Other parameters (not used).
#'
#' @method plot hdnom.compare.calibrate
#'
#' @export
#'
#' @importFrom ggplot2 ggplot aes_string geom_errorbar
#' geom_line geom_point geom_abline scale_colour_manual
#' xlab ylab
#'
#' @examples
#' NULL
plot.hdnom.compare.calibrate <- function(
x, xlim = c(0, 1), ylim = c(0, 1),
col.pal = c("JCO", "Lancet", "NPG", "AAAS"), ...) {
n <- length(x)
dflist <- vector("list", n)
for (i in 1L:n) {
dflist[[i]] <- data.frame(
"pre" = x[[i]][, "Predicted"],
"obs" = x[[i]][, "Observed"],
"ll" = x[[i]][, "Lower 95%"],
"ul" = x[[i]][, "Upper 95%"]
)
dflist[[i]][, "Model"] <- names(x)[i]
}
df <- Reduce("rbind", dflist)
col.pal <- match.arg(col.pal)
col_pal <- switch(col.pal,
JCO = palette_jco(),
Lancet = palette_lancet(),
NPG = palette_npg(),
AAAS = palette_aaas()
)
ggplot(
df,
aes_string(
x = "pre", y = "obs",
xmin = xlim[1L], xmax = xlim[2L],
ymin = ylim[1L], ymax = ylim[2L],
colour = "Model"
)
) +
geom_errorbar(aes_string(ymin = "ll", ymax = "ul"), width = 0.02) +
geom_line() +
geom_point(size = 2) +
geom_abline(slope = 1, intercept = 0, colour = "grey") +
xlab("Predicted Survival Probability") +
ylab("Observed Survival Probability") +
scale_colour_manual(values = col_pal) +
theme_hdnom()
}
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