heteroskedasticity

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00:54 Sep 25, 2020
English to Hindi 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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Summary of translations provided
5विषम विसारिता
vinod sharma


  

Translations offered


10 days   confidence: Answerer confidence 5/5
विषम विसारिता


Definition from own experience or research:
जब त्रुटियों के असंगति प्रसरण स्थिर न रह कर बदलते रहते हैं तो उसे विषम प्रसारिता या हेटरोसिडैस्टिसिटी कहते हैं।

Example sentence(s):
  • किसी चर के अनुक्रमिक मानों से अंतर एक समान न रह कर जब भिन्न होता है तो उसे विषम प्रसारिता कहते हैं। - Self knowledge 

Explanation:
Heteroskedasticity has been explained in this video
https://www.youtube.com/watch?v=MigSmp4Zg0w
vinod sharma
India
Local time: 21:55
Native speaker of: Native in HindiHindi
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