function calculateMeanPerVariant()

in src/server/selection/banditData.ts [101:119]

• 16 lines of code
• 1 McCabe index (conditional complexity)

function calculateMeanPerVariant(
    samples: TestSample[],
    test: BanditTestConfig,
): BanditVariantData[] {
    const allVariantSamples = samples.flatMap((sample) => sample.variants);

    return test.variantNames.map((variantName) => {
        const variantSamples = allVariantSamples.filter(
            (variantSample) => variantSample.variantName === variantName,
        );

        const mean = calculateOverallMeanForVariant(variantSamples);

        return {
            variantName,
            mean,
        };
    });
}