Phrase guide

Chapman-Robbins bound

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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Pronunciation

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1

noun

Meaning 1

A lower bound on the variance of estimators of a deterministic parameter; a generalization of the Cramér-Rao bound, it is both tighter and more widely applicable, but usually harder to compute.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Hammersley-Chapman-Robbins bound

Antonyms: none provided

History

Etymology

Named after Douglas Chapman and Herbert Robbins, who discovered it in 1951, independently of the original (1950) discovery by John Hammersley.