#' Print msaenet Model Information
#'
#' Print msaenet model objects (currently, only
#' printing the model information of the final step).
#'
#' @param x An object of class \code{msaenet}.
#' @param ... Additional parameters for \code{\link{print}} (not used).
#'
#' @method print msaenet
#'
#' @author Nan Xiao <\url{https://nanx.me}>
#'
#' @importFrom utils capture.output
#'
#' @export
#'
#' @examples
#' dat <- msaenet.sim.gaussian(
#' n = 150, p = 500, rho = 0.6,
#' coef = rep(1, 5), snr = 2, p.train = 0.7,
#' seed = 1001
#' )
#'
#' msaenet.fit <- msaenet(
#' dat$x.tr, dat$y.tr,
#' alphas = seq(0.2, 0.8, 0.2),
#' nsteps = 3L, seed = 1003
#' )
#'
#' print(msaenet.fit)
print.msaenet <- function(x, ...) {
cat(paste("Call:", paste(capture.output(x$"call"), collapse = "\n")), "\n")
if (.is.ncvreg(x$"model")) {
model.info <- data.frame(
.df(x$"model"),
x$"model"$"lambda",
x$"model"$"gamma",
x$"model"$"alpha"
)
names(model.info) <- c("Df", "Lambda", "Gamma", "Alpha")
print(model.info)
}
if (.is.glmnet(x$"model")) {
model.info <- data.frame(
.df(x$"model"),
x$"model"$"dev.ratio",
x$"model"$"lambda"
)
names(model.info) <- c("Df", "%Dev", "Lambda")
print(model.info)
}
}
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