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AbTestRunner

Struct AbTestRunner 

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pub struct AbTestRunner { /* private fields */ }
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Runner for A/B testing experiments

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impl AbTestRunner

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pub fn new() -> Self

Create a new A/B test runner with default settings (t-test, alpha=0.05)

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pub fn with_alpha(self, alpha: f64) -> Self

Set the significance level (e.g., 0.05 for 95% confidence)

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pub fn with_test(self, test: StatTest) -> Self

Set the statistical test to use

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pub fn compare( &self, result_a: &ModelEvalResult, result_b: &ModelEvalResult, ) -> Result<AbTestResult>

Compare two models on the same evaluation metric.

The scores must be paired (same test samples evaluated by both models). If scores have different lengths, only the common prefix is used.

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pub fn rank_models( &self, results: &[ModelEvalResult], ) -> Result<Vec<(String, f64, bool)>>

Compare multiple models and produce a ranking by mean score.

Returns a list of (model_id, mean_score, is_significantly_best) tuples, sorted by mean score descending.

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impl Default for AbTestRunner

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fn default() -> Self

Returns the “default value” for a type. Read more

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