estimate_concordance: Estimate Out-of-Sample Concordance

In cforward: Forward Selection using Concordance/C-Index

Description

Estimate Out-of-Sample Concordance

Usage

estimate_concordance(
  train,
  test = train,
  event_time = "event_time_years",
  event_status = "mortstat",
  weight_column = "WTMEC4YR_norm",
  all_variables = NULL,
  cfit_args = list(),
  ...
)

Arguments

train	A data set to perform model training.
test	A data set to estimate concordance, from fit model with train. Set to train if estimating on the same data
event_time	Character vector of length 1 with event times, passed to Surv
event_status	Character vector of length 1 with event status, passed to Surv
weight_column	Character vector of length 1 with weights for model. If no weights are available, set to NULL
all_variables	Character vector of variables to put in the model. All must be in data.
cfit_args	Arguments passed to concordancefit. If strata is to be passed, set strata_column in this list.
...	Additional arguments to pass to coxph

Value

A list of concordance and the model fit with the training data

cforward documentation built on March 29, 2021, 5:07 p.m.