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Cramér-Rao bound

Cramér-Rao bound noun: a lower bound on the variance of unbiased estimators of a deterministic (fixed, though unknown) parameter.

Noun

Cramér-Rao bound (plural Cramér-Rao bounds)

  1. (estimation theory) A lower bound on the variance of unbiased estimators of a deterministic (fixed, though unknown) parameter.

Forms of Cramér-Rao bound

pluralCramér-Rao bounds

Origin of Cramér-Rao bound

Named after Harald Cramér and Calyampudi Radhakrishna Rao, who (among others) independently derived it in the 1940s.

Questions about Cramér-Rao bound

What does Cramér-Rao bound mean?
Cramér-Rao bound means a lower bound on the variance of unbiased estimators of a deterministic (fixed, though unknown) parameter.
What part of speech is Cramér-Rao bound?
Cramér-Rao bound is a noun.
What is the plural of Cramér-Rao bound?
The plural of Cramér-Rao bound is Cramér-Rao bounds.

Words near Cramér-Rao bound in the dictionary

  1. crampweed
  2. crampy
  3. crams
  4. crams together
  5. Cramér's conjecture
  6. Cramér-Rao bound
  7. Cramér-Rao bounds
  8. cran
  9. cran-
  10. cranachan
  11. cranachans

Source and license

Adapted from Wiktionary: Cramér-Rao bound (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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