نتایج جستجو برای: mean absolute error

تعداد نتایج: 863559  

Journal: :رشد و یادگیری حرکتی - ورزشی 0
اسماعیل نصیری استادیار گروه تربیت بدنی دانشگاه شاهد تهران، ایران احمد فرخی دانشیار دانشکدۀ تربیت بدنی دانشگاه تهران، تهران، ایران فضل الله باقرزاده دانشیار دانشکدۀ تربیت بدنی دانشگاه تهران، تهران، ایران

the purpose of the present study was to examine the effects of self – control modeling , that is presenting moded to learner whenever they asked for it, on learning a timing task.twenty four right handed subjects (12 males, 12 females, aged 19-20) voluntarily participated in the study and were assigned randomly to two groups of self – control and yoked.the task was pressing the keys number 1, 4...

1999
Tae-Hwan Kim Halbert White Clive Granger James Hamilton Patrick Fitzsimmons

We explore the extension of James-Stein type estimators in a direction that enables them to preserve their superiority when the sample size goes to infinity. Instead of shrinking a base estimator towards a fixed point, we shrink it towards a data-dependent point, which makes it possible that the “prior” becomes more accurate as the sample size grows. We provide an analytic expression for the as...

2000
Tae-Hwan Kim Halbert White

We explore the extension of James-Stein type estimators in a direction that enables them to preserve their superiority when the sample size goes to infinity. Instead of shrinking a base estimator towards a fixed point, we shrink it towards a data-dependent point. We provide an analytic expression for the asymptotic risk and bias of James-Stein type estimators shrunk towards a data-dependent poi...

2007
Benjamin Bishop Thomas P. Kelliher Robert M. Owens Mary Jane Irwin

As processors evolve from simple scalar machines to more advanced designs using dynamic instruction scheduling, speed critical algorithms should be reexamined to ensure that the optimal strategy is being used. One important example of this class of algorithms is MPEG encoding. Although the Mean Absolute Distance approach is recognized in the literature as more eecient in terms of speed, our res...

2002
Tae-Hwan Kim Halbert White

We explore the extension of James-Stein type estimators in a direction that enables them to preserve their superiority when the sample size goes to infinity. Instead of shrinking a base estimator towards a fixed point, we shrink it towards a data-dependent point. We provide an analytic expression for the asymptotic risk and bias of James-Stein type estimators shrunk towards a data-dependent poi...

Ali shahbazi Kheyrolah khademi reza koochaki,

Deficiency and inappropriate distribution of reengage station is one of challenges faced by researchers in hydrology and climate science. In this research, evaluate the applicability of four gridded precipitation data products ERA-Interim, PERSIANN-CDR, PERSIANN-CCS and CRU as a supplement or substitute for ground data in a monthly time scales. This assessment was done by comparison with observ...

This paper proposes a new computational scheme for approximating variable-order fractional integral operators by means of finite element scheme. This strategy is extended to approximate the solution of a class of variable-order fractional nonlinear systems with time-delay. Numerical simulations are analyzed in the perspective of the mean absolute error and experimental convergence order. To ill...

Journal: :IEEE Trans. Acoustics, Speech, and Signal Processing 1990
Moncef Gabbouj Edward J. Coyle

Two approaches have been used in the past to design or choose a rank-order based filter to estimate a signal from a noise-corrupted observation of that signal: the structural approach and the estimation approach. In the structural approach, the goal is to find a filter which preserves those shapes that are part of the signal while removing those that are part of the noise. In the estimation app...

The Short-term forecasting of electric load plays an important role in designing and operation of power systems. Due to the nature of the short-term electric load time series (nonlinear, non-constant, and non-seasonal), accurate prediction of the load is very challenging. In this article, a method for short-term daily and hourly load forecasting is proposed. In this method, in the first step, t...

Introduction: This study examined the dosimetric effects based on the rotational setup error to correct patient setup errors occur during volumetric modulated arc radiotherapy (VMAT) for brain tumor patients. Material and Methods: This study included 1129 cases of cone beam computed tomography (CBCT) images obtained from 46 brain tumor patients, who experienced VMAT and used the 6DoF (degree o...

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