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#' Internal helper function for aorsf objects
#' @param object A model object from `aorsf::orsf()`.
#' @param new_data A data frame to be predicted.
#' @param eval_time A vector of times to predict the survival probability.
#' @param time Deprecated in favor of `eval_time`. A vector of times to predict the survival probability.
#' @return A tibble with a list column of nested tibbles.
#' @export
#' @keywords internal
#' @name aorsf_internal
#' @examples
#' library(aorsf)
#' aorsf <- orsf(na.omit(lung), Surv(time, status) ~ age + ph.ecog, n_tree = 10)
#' preds <- survival_prob_orsf(aorsf, lung[1:3, ], eval_time = c(250, 100))
survival_prob_orsf <- function(object, new_data, eval_time, time = deprecated()) {
if (lifecycle::is_present(time)) {
lifecycle::deprecate_warn(
"0.2.0",
"survival_prob_orsf(time)",
"survival_prob_orsf(eval_time)"
)
eval_time <- time
}
# This is not just a `post` hook in `set_pred()` because parsnip adds the
# argument `eval_time` to the prediction call and `aorsf::predict.orsf_fit()`
# expects empty dots, i.e. no `eval_time` argument.
res <- predict(
object,
new_data = new_data,
pred_horizon = eval_time,
pred_type = "surv",
na_action = "pass",
boundary_checks = FALSE
)
res <- matrix_to_nested_tibbles_survival(res, eval_time)
# return a tibble
tibble(.pred = res)
}
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