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heteroskedasticity

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00:54 Sep 25, 2020
English to Turkish 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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Question posted on behalf of translation team:
GBK economics and finances specialistsGBK economics and finances specialists


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Summary of translations provided
4 +1değişen varyans
Duygu Mengioğlu


  

Translations offered


2 days 4 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
değişen varyans


Definition from Muhasebeturk:
Regresyonun hata terimi ile ilgili temek varsayımlarından biri sabit varyans varsayımıdır. Değişen varyans, sabit varyans varsayımının geçerli olmamasını ifade eder.

Example sentence(s):
  • Değişen varyans sorunu genellikle yatay kesit verileriyle tahmin yapıldığında ortaya çıkar. - Dergipark  
Duygu Mengioğlu
Türkiye
Local time: 16:17
Native speaker of: Turkish

Votes in favor of/against selecting this as the best translation of the term asked
Yes  Hasan GENC
28 days
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