function calculateOverallMeanForVariant()

in src/server/selection/banditData.ts [121:127]

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

function calculateOverallMeanForVariant(samples: VariantSample[]): number {
    const population = samples.reduce((acc, sample) => acc + sample.views, 0);
    return samples.reduce(
        (acc, sample) => acc + (sample.views / population) * sample.annualisedValueInGBPPerView,
        0,
    );
}