Create a fallback learner for a given learner. The function searches for a suitable fallback learner based on the task type. Additional checks are performed to ensure that the fallback learner supports the predict type.
Usage
default_fallback(learner, ...)
# S3 method for class 'Learner'
default_fallback(learner, ...)
# S3 method for class 'LearnerClassif'
default_fallback(learner, ...)
# S3 method for class 'LearnerRegr'
default_fallback(learner, ...)
Arguments
- learner
Learner
The learner for which a fallback learner should be created.- ...
any
ignored.