Model Governance — Cartrack LTV Platform

MODEL REGISTRY — DEPLOYED CHAMPIONS

Model	Version	Status	Algorithm	Trained	Features	Validation Metric	Drift Status
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CHURN MODEL — CALIBRATION BY DECILE AUC: —

Current AUC

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Precision @Top 10%

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Recall @Top 10%

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CHURN MODEL — AUC TREND (12M)

CHAMPION PERFORMANCE THRESHOLDS

■ AUC > 0.80 — PASS ■ AUC 0.75–0.80 — MONITOR ■ AUC < 0.75 — RETRAIN

FEATURE DRIFT MONITOR — POPULATION STABILITY INDEX (PSI) ● STABLE PSI < 0.10 ● MODERATE 0.10–0.20 ● ALERT PSI > 0.20

Feature	PSI	Status	Mean (Current)	Mean (Baseline)	Δ
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DATA QUALITY & SOURCE FRESHNESS

Data Source	Record Count	Null Rate	Schema Valid	Last Ingested	Status	Null Rate Visual
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AUDIT LOG — MODEL EVENTS & PRICING OVERRIDES

Timestamp	Event Type	User / System	Detail	Impact
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MODEL GOVERNANCE — STATISTICAL OVERSIGHT