reference_gini
def reference_gini(reference, X, y) -> float
from compileml.reference import reference_gini
Gini of a reference model (or a supplied Gini, passed through).
Accepting a bare float is deliberate: a team with a champion scorecard has a better floor than anything :func:`fit_reference` produces, and every caller in CompileML takes either form.
Parameters#
| Name | Type | Default | Kind |
|---|---|---|---|
| reference | — | required | positional |
| X | — | required | positional |
| y | — | required | positional |
Returns#
float