مشخصات پژوهش

عنوان	A new useful four-parameter extension of the Gumbel distribution: Properties, regression model and applications using the GAMLSS framework
نوع پژوهش	مقاله چاپ شده
کلیدواژه‌ها	GAMLSS; Gumbel distribution; Maximum likelihood estimation; Regression model; Residual analysis
چکیده	In this paper we introduce a flexible extension of the Gumbel distribution called the odd log-logistic exponentiated Gumbel distribution. The new model was implemented in GAMLSS package of R software and a brief tutorial on how to use this package is presented throughout the paper. We provide a comprehensive treatment of its general mathematical properties. Further, we propose a new extended regression model considering four regression structures. We discuss estimation methods based on censored and uncensored data. Two simulation studies are presented and four real data sets are applied to illustrating the usefulness of the new model.
پژوهشگران	ادوین ارتگا (نفر پنجم)، مریم سمیع زاده (نفر چهارم)، سیدمحمدتقی کامل میرمصطفائی (نفر سوم)، مراد علیزاده (نفر اول)، تیاگو رامیرز (نفر دوم)