Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
statistical bound |
| gptkbp:alsoKnownAs |
gptkb:Cramér–Rao_inequality
|
| gptkbp:appliesTo |
unbiased estimators
|
| gptkbp:assumes |
regularity conditions
|
| gptkbp:category |
mathematical statistics
|
| gptkbp:describes |
lower bound on variance of estimators
|
| gptkbp:field |
gptkb:estimation_theory
statistics |
| gptkbp:form |
Var(T) ≥ 1/I(θ)
|
| gptkbp:generalizes |
gptkb:Barankin_bound
gptkb:Bhattacharyya_bound |
| https://www.w3.org/2000/01/rdf-schema#label |
Cramér–Rao bound
|
| gptkbp:namedAfter |
gptkb:C._R._Rao
gptkb:Harald_Cramér |
| gptkbp:publishedIn |
1945
|
| gptkbp:relatedTo |
gptkb:Fisher_information
gptkb:Lehmann–Scheffé_theorem gptkb:Rao–Blackwell_theorem efficiency of estimators |
| gptkbp:usedIn |
parameter estimation
|
| gptkbp:bfsParent |
gptkb:Fisher_information
gptkb:estimation_theory gptkb:C._R._Rao |
| gptkbp:bfsLayer |
5
|