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Glossary · Measurement and evaluation

False positive rate

The share of actually negative cases incorrectly labeled positive.

What False positive rate does not show

It requires a trustworthy negative denominator and should not be confused with false discovery rate.

Related terms in Measurement and evaluation

How a measurement earns trust: evaluation sets, error rates, calibration, reproducibility, and the biases that make a number look better than it is.

AI answer reading · name confusion · hedged answer · Benchmark · Evaluation set · Golden dataset · Ground truth · Human evaluation · LLM-as-judge · Pairwise evaluation · Pointwise evaluation · Rubric · Inter-rater agreement · Accuracy · F1 score · False negative · True positive · True negative · Calibration · Confidence score · Coverage · Abstention · Reproducibility · Repeatability · Variance · Confidence interval · Sample size · Sampling bias · Selection bias · Survivorship bias · Data leakage · Test contamination

Questions about False positive rate

What is False positive rate?

The share of actually negative cases incorrectly labeled positive.

What does False positive rate not show or guarantee?

It requires a trustworthy negative denominator and should not be confused with false discovery rate.

Which area of the glossary does False positive rate belong to?

Measurement and evaluation: How a measurement earns trust: evaluation sets, error rates, calibration, reproducibility, and the biases that make a number look better than it is.

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