نتایج جستجو برای: random effect model
تعداد نتایج: 3687722 فیلتر نتایج به سال:
The purpose of this study is to integrate the findings of the studies related to the relationship between CEO compensation and firm performance in Asian countries. The second concern of the paper is to explore the moderating role of country-specific characteristics on the pay-performance relationship in Asian markets. In order to achieve the study’s objective, meta-analysis technique is utilize...
in interventional or observational longitudinal studies, the issue of missing values is one of the main concepts that should be investigated. the researcher's main concerns are the impact of missing data on the final results of the study and the appropriate methods that missing values should be handled. regarding the role and the scale of the variable that missing values have been occurred and ...
background: owing to the growing importance of medicines in treatment of diseases, as well as their role as alternatives for expensive and often unsafe procedures; economic examination of factors associated with their demand is necessary. hence, this study aimed at exploring factors affecting the demand of specialty medicines. methods: in this descriptive-analytic study, data was collected fr...
The aim of the present study was to describe, analyze and combine the presented analysis about factors influencing the development of university faculty members through meta-analysis of previously conducted research. The related written works such as thesis and articles registered in Irandoc, Magrian, SID and Nourmags published during 2008-2017 were reviewed. Of these, fifteen studies were sele...
animal models are used to model the observations of animal performance that are genetically dependent.these models are considered as generalized linear mixed models and the genetic correlation structure of data is considered through random effects of breeding values. one goal of the mentioned models is to estimate variance components. in this research, an approximate bayesian approach presented...
in this paper, a new method is presented for the detection of defects in random textures. in the training stage, the feature vectors of the normal textures’ images are extracted by using the optimal response of gabor wavelet filters, and their probability density is estimated by means of the gaussian mixture model (gmm). in the testing stage, similar to the previous stage,at first, the feature...
This paper focuses on developing models to study influential factors on the inflation rate for a panel of available countries in the World Bank data base during 2008-2012. For this purpose, Random effect log-linear and Ordinal logistic models are used for the analysis of continuous and categorical inflation rate variables. As the original inflation rate response to variables shows an appar...
certificateless public key cryptography (cl-pkc) is a useful method in order to solve the problems of traditional public key infrastructure (i. e. large amount of computation, storage and communication cost for managing certificates) and id-based public key cryptography (i. e. key escrow problem), simultaneously. a signcryption scheme is an important primitive in cryptographic protocols which p...
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