evaluation_metric: Custom evaluation metrics
Description
Create a different evaluation metric from a valid Keras metric
Usage
evaluation_metric(evaluate_f)
Arguments
evaluate_f
Must be either a metric function defined by Keras (e.g.
keras::metric_binary_crossentropy
) or a valid function for Keras to
create a performance metric (see metric_binary_accuracy
for details)
Value
A function which can be called with parameters learner
and data
just like the ones defined in evaluate
.