Models / LightGBM heads + isotonic calibration

Tyre Cliff

P(tyre performance cliff), per driver per lap.

LightGBM heads + isotonic calibrationanalytics.strategy

How it works

Cliff heads score the same feature vector as LTOE — zero extra inference cost — and are calibrated isotonically. The output rides the LTOE payload as a sibling field, flagging when a tyre is approaching the steep part of its degradation curve rather than linear wear.

Inputs

  • LTOE feature vector
  • stint age vs compound life
  • degradation trend

Output

drivers[].tyreCliffCliff probability and proximity classification.

Calibration

Isotonic calibrator fitted on held-out stints. See the calibration reference for the shared pipeline.

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