TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
BIAS CORRECTION [2 records]
Record 1 - internal organization data 2023-05-09
Record 1, English
Record 1, Subject field(s)
- Collaboration with the FAO
- Statistics
- Modelling (Mathematics)
- Commercial Fishing
Record 1, Main entry term, English
- bias correction
1, record 1, English, bias%20correction
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
A lognormal error is usually assumed in the traditional stock–recruitment (SR) analysis. ... a positive bias results when [a] SR model with [a] lognormal error is used for fish recruitment prediction. Not only is this bias exponentially dependent on the structure of the model's residual variance and the historical SR data, it is also dependent on the specific value of spawner biomass used. ... a bias correction that is asymptotically unbiased with a finite-sample bias that is practically zero [is then derived]. Data from two Pacific salmon populations, southeast Alaska pink salmon ... and Chilko Lake sockeye salmon ... are used to demonstrate this approach. The results show that the relative bias is about 10% for a spawning biomass within the historical range and that the bias is substantial outside that data range. However, with the proposed bias correction, the bias is negligible both within (<0.1%) and outside of (<0.3%) the data range. 2, record 1, English, - bias%20correction
Record 1, French
Record 1, Domaine(s)
- Collaboration avec la FAO
- Statistique
- Modélisation (Mathématique)
- Pêche commerciale
Record 1, Main entry term, French
- correction de biais
1, record 1, French, correction%20de%20biais
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- correction du biais 2, record 1, French, correction%20du%20biais
correct, feminine noun
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2015-02-13
Record 2, English
Record 2, Subject field(s)
- Metrology and Units of Measure
Record 2, Main entry term, English
- bias correction 1, record 2, English, bias%20correction
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
For a material measure: the value Vc - Vn [hyphen on top of the letters Vc] that must be algebraically added to the designation (or nominal value) Vn of the material measure in order to make it coincide with the conventional true value Vc [hyphen on top of the letters Vc] of the measure. For a measuring instrument (other than a material measure): the value Vc - Vi [hyphen on top of the letters Vi] that must be added algebraically to the mean value Vi [hyphen on top of the letters Vi] of the indications of the instrument (assumed to be obtained without reading error) in order to make it coincide with the conventional true value Vc of the quantity measured. 1, record 2, English, - bias%20correction
Record number: 2, Textual support number: 1 CONT
The bias correction of a measuring instrument is equal to the bias error with change of sign. 1, record 2, English, - bias%20correction
Record 2, French
Record 2, Domaine(s)
- Unités de mesure et métrologie
Record 2, Main entry term, French
- correction de justesse
1, record 2, French, correction%20de%20justesse
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Pour une mesure matérialisée : valeur Vc - Vn [tiret au dessus de Vc] que l'on doit ajouter algébriquement à la dénomination (ou valeur nominale) Vn de la mesure matérialisée pour la faire coïncider avec la valeur conventionnellement vraie Vc [tiret au dessus de Vc] de cette mesure. Pour un appareil mesureur : valeur Vc - Vi [tiret au dessus de Vi] que l'on doit ajouter algébriquement à la valeur moyenne Vi [tiret au dessus de Vi] des indications de l'instrument (supposées obtenues sans erreur de lecture) pour la faire coïncider avec la valeur conventionnellement vraie Vc de la grandeur mesurée. 1, record 2, French, - correction%20de%20justesse
Record number: 2, Textual support number: 1 CONT
La correction de justesse d'un instrument de mesurage est égale à l'erreur de justesse changée de signe. 1, record 2, French, - correction%20de%20justesse
Record number: 2, Textual support number: 1 OBS
correction de justesse : recommandation internationale de la Troisième Conférence Internationale de Métrologie Légale, 1968. 2, record 2, French, - correction%20de%20justesse
Record 2, Spanish
Record 2, Textual support, Spanish
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