semantic_bands

from _setup import latent, y_train
 
from compileml.bands import semantic_bands
 
# The default certification is strict: a band is only accepted once the score
# has no rank-ordering power left inside it. On a score this strong, that
# condition is not met anywhere, and the search refuses to split at all.
strict = semantic_bands(latent, y_train, max_bands=10, min_band_size=300)
print("default certification :", len(strict.labels), "band(s) —", strict.labels)
 
# Relaxing how much within-band ordering is tolerated is the knob that turns
# a refusal into a ladder. It is a judgement about what a band is for, and
# the library makes you state it rather than picking for you.
relaxed = semantic_bands(
    latent,
    y_train,
    max_bands=10,
    min_band_size=300,
    eps_auc_search=0.12,
    eps_auc_cert=0.12,
)
print("relaxed certification :", len(relaxed.labels), "band(s) —", relaxed.labels)