heteroskedasticity

Serbian translation: heteroskedastičnost

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00:54 Sep 25, 2020

English to Serbian translations [PRO]
Bus/Financial - Economics
Additional field(s): Business/Commerce (general), Economics, Finance (general), Investment / Securities, Mathematics & Statistics

English term or phrase: heteroskedasticity

Definition from Investopedia:
In statistics, heteroskedasticity (or heteroscedasticity) happens when the standard errors of a variable, monitored over a specific amount of time, are non-constant. With heteroskedasticity, the tell-tale sign upon visual inspection of the residual errors is that they will tend to fan out over time

Example sentence(s):

Most real world data will probably be heteroskedastic. However, one can still use ordinary least squares without correcting for heteroskedasticity because if the sample size is large enough, the variance of the least squares estimator may still be sufficiently small to obtain precise estimates. Methods for Detecting and Resolving...
Heteroskedasticity can also occur if there are subpopulation differences or other interaction effects (e.g. the effect of income on expenditures differs for whites and blacks). (Again, the problem arises from violation of the assumption that no such differences exist or have already been incorporated into the model.) Richard Williams, Univ. of Notre Dame
If heteroskedasticity does not cause bias or inconsistency in he OLS estimators, why did we introduce it as one of the Gauss-Markov assumptions? Hedibert

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Serbian translation:heteroskedastičnost

Definition:
Ako varijansa slučajne greške nije ista za sva opažanja, već zavisi od neke nezavisne promenljive, govorimo o heteroskedastičnosti.

Selected response from:

Miomira Brankovic
Serbia

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Summary of translations provided

5 +2

heteroskedastičnost

Miomira Brankovic

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1 day 19 hrs confidence:

peer agreement (net): +2

heteroskedastičnost

Definition from Segmentirana regresija sa primenom:
Ako varijansa slučajne greške nije ista za sva opažanja, već zavisi od neke nezavisne promenljive, govorimo o heteroskedastičnosti.

Example sentence(s):

Navedeni su i objašnjeni oblici multiplikativne i aditivne heteroskedastiĉnost kao i postupci otklanjanja istih. Heteroskedastiĉnost je prisutna ako reziduali pokazuju sistematska odstupanja za razliĉite vrednosti nezavisne promenljive. - Master thesis
Nasuprot klasičnim vremenskim serijama, kod kojih je volatilnost konstantna veličina, kod finansijskih vremenskih serija se ona menja tokom vremena, i ta osobina se naziva heteroskedastičnost. - Master thesis

Miomira Brankovic
Serbia
Local time: 13:52
Native speaker of: Serbian
PRO pts in category: 48

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heteroskedasticity

Serbian translation: heteroskedastičnost

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