نتایج جستجو برای: model evaluation
تعداد نتایج: 2811647 فیلتر نتایج به سال:
the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...
Fatigue could be detected or predicted by the dynamic facial expression event: yawn. Facial expression parameters are extracted from real time video containing faces and used as observations for the underlying Hidden Markov Model for recognizing the yawn event. Promising results from tests by many users and their evaluations are reported.
This study sought to design a comprehensive evaluation model which can be utilized to evaluate educational programs with broad target populations and multiple management and executive layers, including the School Peer Counseling Program. This qualitative research had a descriptive design. Purposeful sampling method was used and the sample was non-randomly selected from the executive scientific ...
Introduction: One of the common models for evaluation in the organization and in-service training model is four-level Kirkpatrick’s model. Users must be aware of strengths and areas of application of this model. The aim of this paper is to clarify the characteristics of this model according to Kirkpatrick and to summarize the critics of scholars to this model. At the end, the reforms that have ...
Reliable performance evaluations require the use of representative workloads. This is no easy task because modern computer systems and their workloads are complex, with many interrelated attributes and complicated structures. Experts often use sophisticated mathematics to analyze and describe workload models, making these models difficult for practitioners to grasp. This book aims to close this...
This contribution gives an overview of the state of the art in the field of computational modeling of expressive music performance. The notion of predictive computational model is briefly discussed, and a number of quantitative models of various aspects of expressive performance are briefly reviewed. Four selected computational models are reviewed in some detail. Their basic principles and assu...
Rough data envelopment analysis (RDEA) evaluates the performance of the decision making units (DMUs) under rough uncertainty assumption. In this paper, new discussion regarding RDEA is extended. The RSBM model is proposed by integrating SBM model and rough set theory. The process of reaching solution is presented and this model is applied to efficiency evaluation of the DMUs with uncertain ...
An examination of the statistical accuracy and economic value of modeling and forecasting the term structure of interest rates using forecast combinations is considered. Five alternative methods to combine point forecasts from several univariate and multivariate autoregressive specifications including dynamic factor models, equilibrium term structure models, and forward rate regression models a...
in this article, non radial method of dynamic dea with the parallel network structure is presented and is used for calculation of relative efficiency measures when inputs and outputs do not change equally. in this model, dmu divisions under evaluation have been put together in parallel. but its dynamic structure is assumed in series. since in real applications there are undesirable inputs and o...
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