holdout-validation

Fail-closed holdout validation for Optuna and ML evaluation with absolute and relative score-degradation checks.

60-minute no-code teaching kit for building and validating a dental self-pay propensity model with scikit-learn — AI prompts, slides, and two simulated datasets (繁體中文教材)

Code-repair verification gate separating visible tests from sealed evaluation suites with anti-tamper hashing