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#' Class tskrrImpute
#'
#' The class \code{tskrrImpute} is a virtual class that represents a
#' \code{\link[xnet:tskrr-class]{tskrr}} model with imputed values in
#' the label matrix Y. Apart from the model, it contains the
#' following extra information on the imputed values.
#'
#' @slot imputeid a vector with integer values indicating which of
#' the values in \code{y} are imputed
#' @slot niter an integer value gving the number of iterations used
#' @slot tol a numeric value with the tolerance used
#'
#' @rdname tskrrImpute-class
#' @aliases tskrrImpute
#' @exportClass tskrrImpute
setClass("tskrrImpute",
slots = c(imputeid = "integer",
niter = "integer",
tol = "numeric"),
prototype = prototype(
niter = 0L,
tol = 0L
)
)
validTskrrImpute <- function(object){
if(length(object@niter) != 1)
return("niter should contain a single integer value")
if(length(object@tol) != 1)
return("tol should contain a single numeric value")
}
setValidity("tskrrImpute", validTskrrImpute)
setMethod("show",
"tskrrImpute",
function(object){
ishomog <- is_homogeneous(object)
type <- ifelse(ishomog,"Homogeneous","Heterogeneous")
tl <- ifelse(ishomog,"----------","------------")
cat(paste(type,"two-step kernel ridge regression with imputation"),
paste(tl,"------------------------------------------------",sep="-"),
sep = "\n")
.show_tskrr(object, ishomog)
cat("\nImputation information:\n")
cat("-----------------------\n")
cat("iterations:", object@niter,"\n")
cat("tolerance:", signif(object@tol, 4),"\n")
})
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