نتایج جستجو برای: added predictive ability

تعداد نتایج: 675343  

2002
Frank X. Lee Xinyu Liu

The masses of octet baryons are calculated by the method of QCD sum rules. Using generalized interpolating fields, three independent sets of QCD sum rules are derived which allow the extraction of low-lying N* states with spin-parity 1/2+, 1/2and 3/2in both the non-strange and strange channels. The predictive ability of the sum rules is examined by a Monte-Carlo based analysis procedure in whic...

Journal: :Occupational medicine 2009
S M Alavinia A G E M de Boer J C van Duivenbooden M H W Frings-Dresen A Burdorf

BACKGROUND Maintaining the ability of workers to cope with physical and psychosocial demands at work becomes increasingly important in prolonging working life. AIMS To analyse the effects of work-related factors and individual characteristics on work ability and to determine the predictive value of work ability on receiving a work-related disability pension. METHODS A longitudinal study was...

The aim of this research is the analysis of management ability using accounting and corporate governance criteria and also artificial intelligence. The primary independent variables in this study include regulatory variables (characteristics of corporate governance and audit committee) and accounting variables (performance and risk criteria). We took advantage of Demirjian index to measure mana...

Journal: :Ecology letters 2009
Paul A Murtaugh

I evaluated the predictive ability of statistical models obtained by applying seven methods of variable selection to 12 ecological and environmental data sets. Cross-validation, involving repeated splits of each data set into training and validation subsets, was used to obtain honest estimates of predictive ability that could be fairly compared among methods. There was surprisingly little diffe...

2016
Mahnaz Barkhordari Mojgan Padyab Mahsa Sardarinia Farzad Hadaegh Fereidoun Azizi Mohammadreza Bozorgmanesh

BACKGROUND A fundamental part of prevention is prediction. Potential predictors are the sine qua non of prediction models. However, whether incorporating novel predictors to prediction models could be directly translated to added predictive value remains an area of dispute. The difference between the predictive power of a predictive model with (enhanced model) and without (baseline model) a cer...

Control systems with digital communication between sensors, controllers and actuators are called as Networked Control Systems (NCSs). In general, NCSs encounter with some problems such as packet dropouts and network induced delays. When plant uncertainty is added to the aforementioned problems, the design of the robust controller that is able to guarantee the stability, becomes more complex. In...

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