Construct a new metric function
These functions provide convenient wrappers to create the three types of
metric functions in yardstick: numeric metrics, class metrics, and
class probability metrics. They add a metric-specific class to fn and
attach a direction attribute. These features are used by metric_set()
and by tune when model tuning.
See vignette("custom-metrics") for more information about creating custom
metrics.
new_class_metric(fn, direction) new_prob_metric(fn, direction) new_numeric_metric(fn, direction)
fn |
A function. The metric function to attach a metric-specific class
and |
direction |
A string. One of:
|
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