different between variance vs heteroscedasticity
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
heteroscedasticity
English
Alternative forms
- heteroskedasticity
Etymology
From hetero- +? scedasticity
Pronunciation
- (UK) IPA(key): /?h?t?o??sk?dæs?t?s?ti/
Noun
heteroscedasticity (plural heteroscedasticities)
- (statistics) The property of a series of random variables of not every variable having the same finite variance
Derived terms
- heteroscedasticity-robust
Antonyms
- homoscedasticity
Related terms
- heteroscedastic
Translations
heteroscedasticity From the web:
- heteroscedasticity what to do
- what is heteroscedasticity in regression
- what is heteroscedasticity in econometrics
- what does heteroscedasticity mean
- what causes heteroscedasticity
- what is heteroscedasticity test
- what is heteroscedasticity in statistics
- what is heteroscedasticity and homoscedasticity
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