Nothing
##' @export
coef.erpath <- function(object, s = NULL, type = c("coefficients", "nonzero"),
...) {
type <- match.arg(type)
b0 <- t(as.matrix(object$b0))
rownames(b0) <- "(Intercept)"
nbeta <- rbind2(b0, object$beta)
if (!is.null(s)) {
vnames <- dimnames(nbeta)[[1]]
dimnames(nbeta) <- list(NULL, NULL)
lambda <- object$lambda
lamlist <- lambda.interp(lambda, s)
nbeta <- nbeta[, lamlist$left, drop = FALSE] %*%
Diagonal(x = lamlist$frac) +
nbeta[, lamlist$right, drop = FALSE] %*%
Diagonal(x = 1 - lamlist$frac)
dimnames(nbeta) <- list(vnames, paste(seq(along = s)))
}
if (type == "coefficients")
return(nbeta)
if (type == "nonzero")
return(nonzero(nbeta[-1, , drop = FALSE], bystep = TRUE))
}
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