Word Pronunciation & Dictionary

chapman-robbins bound

Word Rarity Rare

Frequency: Zipf frequency 3.27 in modern English

Syllables: chap-man-rob-bin-s bound
IPA

35

Scrabble Score

19

Letters

5

Syllables

13

Unique Chars

Meaning

noun

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.

Etymology

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

Inflected Forms

Chapman-Robbins bounds (plural)

Synonyms

Hammersley-Chapman-Robbins bound

Questions

What does chapman-robbins bound mean?: 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.
Where does chapman-robbins bound come from?: Named after Douglas Chapman and Herbert Robbins, who discovered it in 1951, independently of the original (1950) discovery by John Hammersley.

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