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Article | 05-September-2021

A new reciprocal Rayleigh extension: properties, copulas, different methods of estimation and a modified right-censored test for validation

estimation method, and the bootstrapping method. A simulation study was conducted to assess the performances of the proposed estimation methods are investigated through a simulation study. Many bivariate and multivariate type model have also been derived based on Farlie-Gumbel-Morgenstern copula, the Clayton copula, Renyi’s entropy copula and the Ali-Mikhail-Haq copula. A modified Nikulin-Rao-Robson test for right-censored validation is applied to a censored real data set.

Haitham M. Yousof, M. Masoom Ali, Hafida Goual, Mohamed Ibrahim

Statistics in Transition New Series, Volume 22 , ISSUE 3, 99–121

Research Article | 23-January-2019

Psychiatric problems and quality of life in a clinical sample of adolescents: The role of peer relations

disorders, QoL, and quality of peer relations were measured by self-report questionnaires.Results:Adolescents diagnosed with anxiety/depressive disorder reported more peer problems and lower QoL than adolescents with attention deficit/hyperactivity disorder. These findings were supported with symptom ratings. A path model with bootstrapping was used to assess the potential mediating role of peer problems in the association between symptoms and QoL, showing that peer problems partly mediated the

Ingunn Ranøyen, Eva Gulliksrud, Marit S. Indredavik, Frode Stenseng

Scandinavian Journal of Child and Adolescent Psychiatry and Psychology, Volume 6 , ISSUE 4, 183–192

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