Comparison of Discrete Bivariate Beta - Binomial Distributions Based on Correlation Between Marginal Variables
Author(s):
Abstract:
The aim of this study was to compare fitting of different discrete bivariate beta-binomial distributions based on correlation between marginal variables. The models included bivariate beta-binomial distribution proposed by Bibby and Væth (2011) (with three parameters), Danaher and Hardie (2005) (with five parameters) and generalized model of the classical bivariate beta-binomial distribution proposed by Olmo - Jimenez et al. (2011). Based on results obtained from goodness of fit test, Olmo - Jimenez et als model was found to be more appropriate than other models when correlation between marginal variables was high. Also Danaher and Hardies model were found to be more appropriate than other models when correlation between marginal variables was low. The results were presented by using three real data set.
Keywords:
Language:
Persian
Published:
نشریه گستره علوم آماری, Volume:2 Issue: 1, 2017
Pages:
43 to 54
magiran.com/p1734336
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