نتایج جستجو برای: the regression model

تعداد نتایج: 16378566  

رضائیان فرد, الهام, زارع, نجف, صیادی, مهراب, قائم, هاله,

Background & objectives: statistical modeling explicates the observed changes in data by means of mathematics equations. In cases that dependent variable is count, Poisson model is applied. If Poisson model is not applicable in a specific situation, it is better to apply the generalized Poisson model. So, our emphasis in this study is to notice the data structure, introducing the generalized Po...

Journal: :international journal of management and business research 2014
p. sreeleakha p. mohan raj

when research on repatriation has shown that repatriates quit within one year of return from a foreign assignment, this study attempts to find what makes some repatriates stay committed and loyal to their companies when their colleagues are quitting and joining their immediate competitors? the research further extends to explore - factors determining repatriates loyalty, repatriates’ most desir...

Journal: :journal of agricultural science and technology 2016
a. soltani m. bakker a. veldkamp j. stoorvogel

the need for more comparisons among models is widely recognized. this study aimed to compare three different modelling approaches for their capability to simulate and predict trends and patterns of winter wheat yield in western germany. the three modelling approaches included an empirical model, a process-based model (lintul2), and a metamodel derived from the process-based model. the models ou...

Journal: :iranian journal of public health 0
gh mahdavi z izadi

background: existence or non-existence of adverse selection in insurance market is one of the important cases that have always been considered by insurers. adverse selection is one of the consequences of asymmetric information. theory of adverse selection states that high-risk individuals demand the insurance service more than low risk individuals do. methods: the presence of adverse selection ...

Journal: :gastroenterology and hepatology from bed to bench 0
mohamad amin pourhoseingholi soghrat faghihzadeh manijeh habibi azadeh safaee fatemeh qafarnejad mohammad rostami nejad

aim : to determine the associated factors of reflux duration, using quantile regression model. background : reflux is one of the most prevalent gastrointestinal disorders.  statistical tools are widely used to assess the associated factors on reflux severity and frequency. patients and methods : a door to door questionnaire has been used to evaluate gastrointestinal symptoms including reflux an...

Journal: :فصلنامه مدلسازی ریسک و مهندسی مالی 0
مهدی آسیما دانشجوی دکترای مالی، بانکداری، دانشکده مدیریت، دانشگاه تهران، تهران، ایران امیر علی عباس زاده اصل 2. کارشناسی ارشد مهندسی مالی، دانشکده مدیریت، دانشگاه تهران، تهران، ایران

capital asset pricing model (capm) has been among the common models to estimate expected returns rate. since the linearity assumption is considered in the standard version of the capital asset pricing model, estimating beta in nonlinear setting will be inconsistent and bias-oriented. therefore, this study tries to evaluate predictive power of nonlinear capital asset pricing model as well as sta...

Journal: :Journal of the Korean Mathematical Society 2006

Lida Kalhori , Mohsen Mohhamadzadeh,

 Abstract: In many applications we have to encountered with bounded dependent variables. Beta regression model can be used to deal with these kinds of response variables. In this paper we aim to study spatially correlated responses in the unit interval. Initially we introduce spatial beta generalized linear mixed model in which the spatial correlation is captured through a random effect. T...

Journal: :Journal of Korean Institute of Intelligent Systems 2013

2015
Vidyashankar Sivakumar Moumita Saha Pabitra Mitra Arindam Banerjee

We consider the problem of predicting total Indian summer monsoon rainfall (ISMR). A popular approach in prior literature [1], [2] has been to fit a regression model with the precipitation as predictand and various climatological indices and parameters as predictors. The predictor climatological indices and parameters are detected through an analysis of their linear correlations with the Indian...

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