Learner helpers

delayed_make_learner(learner_class, ...)

learner_train(learner, task, trained_sublearners)

delayed_learner_train(learner, task, name = NULL)

learner_fit_predict(learner_fit, task = NULL)

delayed_learner_fit_predict(learner_fit, task = NULL)

learner_fit_chain(learner_fit, task = NULL)

delayed_learner_fit_chain(learner_fit, task = NULL)

learner_subset_covariates(learner, task)

learner_process_formula(learner, task)

delayed_learner_subset_covariates(learner, task)

delayed_learner_process_formula(learner, task)

Arguments

learner_class: The learner class to instantiate.
...: Parameters with which to instantiate the learner.
learner: A learner object to fit to the task.
task: The task on which to fit.
trained_sublearners: Any data obtained from a train_sublearners step.
name: a more detailed name for this delayed task, if necessary
learner_fit: a learner object that has already been fit