ThresholdOutcome

data class ThresholdOutcome(val threshold: Double, val truePositives: Int, val falsePositives: Int, val trueNegatives: Int, val falseNegatives: Int)

How one threshold performed over the whole set of pairs.

Constructors

constructor(threshold: Double, truePositives: Int, falsePositives: Int, trueNegatives: Int, falseNegatives: Int)

Harmonic mean of precision and recall.

Of the pairs that must not match, the fraction served anyway.

Pairs refused that could have been served — a wasted API call, nothing worse.

False hits: pairs served a cached answer that does not answer them.

Of everything served from cache, the fraction that was correct.

Of everything that could have been served, the fraction that was. Your hit rate ceiling.

Pairs correctly refused.

Pairs correctly served from cache.