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heteroskedasticity

Greek translation: ετεροσκεδαστικότητα

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:heteroskedasticity
Greek translation:ετεροσκεδαστικότητα
Entered by: Nick Lingris

For term searches and specialty glossaries, please try the new GBK glossaries
00:54 Sep 25, 2020
English to Greek 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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ετεροσκεδαστικότητα
Definition:
Στη στατιστική, μια ακολουθία ή διάνυσμα από τυχαίες μεταβλητές λέγεται ετεροσκεδαστική αν οι τυχαίες αυτές μεταβλητές έχουν διαφορετική διακύμανση. Η αντίστοιχη ιδιότητα του διανύσματος ή σειράς των τυχαίων μεταβλητών λέγεται ετεροσκεδαστικότητα.
Selected response from:

Nick Lingris
United Kingdom
Grading comment
4 KudoZ points were awarded for this answer



Summary of translations provided
5 +3ετεροσκεδαστικότητα
Nick Lingris


  

Translations offered


4 hrs   confidence: Answerer confidence 5/5 peer agreement (net): +3
ετεροσκεδαστικότητα


Definition from Wikipedia:
Στη στατιστική, μια ακολουθία ή διάνυσμα από τυχαίες μεταβλητές λέγεται ετεροσκεδαστική αν οι τυχαίες αυτές μεταβλητές έχουν διαφορετική διακύμανση. Η αντίστοιχη ιδιότητα του διανύσματος ή σειράς των τυχαίων μεταβλητών λέγεται ετεροσκεδαστικότητα.

Example sentence(s):
  • (μαθηματικά, στατιστική) ακολουθία ή διάνυσμα από τυχαίες μεταβλητές οι οποίες έχουν διαφορετική διακύμανση - Wiktionary  
  • Ετερο- (διαφορετικός ή άνισος) είναι το αντίθετο του ομο- (ίδιος ή ίσος)… Σκέδαση είναι η διάδοση ή η διασπορά… Ομοσκεδαστικότητα = ίση διασπορά Ετεροσκεδαστικότητα = άνιση διασπορά - Applied Econometrics - Μετάφρασ�  
Nick Lingris
United Kingdom
Local time: 07:57
Native speaker of: Native in GreekGreek
PRO pts in category: 420

Votes in favor of/against selecting this as the best translation of the term asked
Yes  Stavroula Giannopoulou
5 hrs
  -> Ευχαριστώ
Yes  Vicky Papaprodromou
6 hrs
  -> Ευχαριστώ
Yes  Vasiliki Nikolaidou
13 hrs
  -> Ευχαριστώ
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