« Covariance » : différence entre les versions
Aucun résumé des modifications Balise : Éditeur de wikicode 2017 |
Aucun résumé des modifications |
||
| Ligne 1 : | Ligne 1 : | ||
== en construction == | == en construction == | ||
== Définition == | == Définition == | ||
'''covariance''' | |||
== Français == | == Français == | ||
'''covariance''' | |||
== Anglais == | == Anglais == | ||
'''covariance''' | '''covariance''' | ||
A measure of the relationship between two variables whose values are observed at the same time; specifically, the average value of the two variables diminished by the product of their average values.”[websters] “Whereas variance measures how a single variable deviates from its mean, covariance measures how two variables vary in tandem from their means.”[grus] See also variance, mean | |||
<small> | <small> | ||
[http://isi.cbs.nl/glossary/term787.htm Source : ISI ] | |||
[http://www.datascienceglossary.org Source : Datascience glossary] | [http://www.datascienceglossary.org Source : Datascience glossary] | ||
[[Catégorie:Vocabulary]] | |||
[[Catégorie:Science des données]] | |||
[[Catégorie:Datascience glossary]] | |||
[[Catégorie:ISI]] | |||
[[Catégorie:Statistiques]] | |||
Version du 3 février 2021 à 12:29
en construction
Définition
covariance
Français
covariance
Anglais
covariance
A measure of the relationship between two variables whose values are observed at the same time; specifically, the average value of the two variables diminished by the product of their average values.”[websters] “Whereas variance measures how a single variable deviates from its mean, covariance measures how two variables vary in tandem from their means.”[grus] See also variance, mean
Contributeurs: Claude Coulombe, Imane Meziani, Isaline Hodecent, Patrick Drouin, wiki
