different between variance vs homoscedasticity
variance
English
Alternative forms
- variaunce (obsolete)
- var (abbreviation)
Etymology
From Middle English variance, variaunce, from Old French variance or directly from Anglo-Latin variaunce, veriaunce, wariaunce; all from Latin variantia.
Pronunciation
- (UK) IPA(key): /?v???i.?ns/
- (US) IPA(key): /?væ?i.?nts/ (Mary–marry–merry distinction)
- (US) IPA(key): /?v??i.?nts/ (Mary–marry–merry merger)
Noun
variance (countable and uncountable, plural variances)
- The act of varying or the state of being variable.
- A difference between what is expected and what is observed; deviation.
- The state of differing or being in conflict.
- An official permit to do something that is ordinarily forbidden by regulations.
- (law) A discrepancy between two legal documents.
- (law) A departure from a cause of action originally in a complaint.
- (statistics) The second central moment in probability.
- (physics, chemistry, biology) The number of degrees of freedom in a system.
- (computing, programming) Covariance and contravariance generally.
- Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types.
Derived terms
Translations
French
Etymology
From Latin variantia.
Pronunciation
- IPA(key): /va.?j??s/
- Rhymes: -??s
Noun
variance f (plural variances)
- variance
Further reading
- “variance” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
variance From the web:
- what variances should be investigated
- what variance tells us
- what variance mean
- what variance is high
- what variance is acceptable
- what variance and standard deviation
- what variance analysis
- what variance shows
homoscedasticity
English
Alternative forms
- homoskedasticity
Pronunciation
- (UK) IPA(key): /h??m??sk?dæs?t?s?ti/
- (US) IPA(key): /ho?mo?s?dæs?t?s?ti/
Noun
homoscedasticity (usually uncountable, plural homoscedasticities)
- (statistics) A property of a set of random variables such that each variable has the same finite variance.
Antonyms
- (statistics): heteroscedasticity
Related terms
- homoscedastic
Translations
References
homoscedasticity From the web:
- what homoscedasticity mean
- what is homoscedasticity and heteroscedasticity
- what does homoscedasticity mean in regression
- what does homoscedasticity look like
- what is homoscedasticity test
- what is homoscedasticity in multiple regression
- what causes homoscedasticity
- what is homoscedasticity pdf
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