Ali Dolati

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The purpose of this retrospective study was to assess the relationship between the initial position of palatally displaced canines (PDCs) on panoramic radiographs and the duration of the orthodontic treatment and further to estimate the costs of the treatment. Data from panoramic radiographs and patient records of 66 consecutive patients (mean age 14.9 ±(More)
The construction of distributions with given marginals has been a problem of interest to statisticians for many years. Today, in view of Sklar’s theorem [25, 26], this problem can be reduced to the construction of a copula. Copulas are a special type of aggregation functions, and nowadays are of interest in fuzzy set theory [5, 6, 12, 14, 16]. Nelsen [22](More)
In this paper we studied a three-parameter absolutely continuous bivariate distribution whose marginals are generalized exponential distributions. The proposed three-parameter bivariate distribution can be used quite effectively as an alternative to the Block and Basu bivariate exponential distribution. The joint probability density function, the joint(More)
Department of Statistics, Faculty of mathematics, University of Yazd, Yazd, Iran. Department of Statistics, Faculty of sciences, Shiraz University, Shiraz, Iran. Department of statistics, Faculty of Sciences, Shiraz University, Shiraz, Iran. Corresponding Author: shekari.su@hotmail.com ABSTRACT:. Let be independent random variables with having half-logistic(More)
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