نتایج جستجو برای: forecast errors of gpd growth

تعداد نتایج: 21246712  

Journal: :Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research 2014
J Waterman M Gavaghan

For several decades health care expenditure growth has outpaced growth in GPD and incomes throughout the developed world. The aging global population as well as the growing obesity related health epidemic indicate that this trend will continue. In 2010 17% of adults were obese and more than 50% were overweight in the European Union. While these numbers continue to grow, the recent global financ...

Journal: :EPJ Web of Conferences 2016

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1390

with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...

2014
S. L. Gray C. M. Dunning J. Methven J. M. Chagnon

Diabatic processes can alter Rossby wave structure; consequently, errors arising from model processes propagate downstream. However, the chaotic spread of forecasts from initial condition uncertainty renders it difficult to trace back from root-mean-square forecast errors to model errors. Here diagnostics unaffected by phase errors are used, enabling investigation of systematic errors in Rossby...

سید علی عظیمی محسن شفیعی نیک آبادی

Abstract—the purpose of this paper is to compare two artificial intelligence algorithms for forecasting supply chain demand. In first step data are prepared for entering into forecasting models. In next step, the modeling step, an artificial neural network and support vector machine is presented. The structure of artificial neural network is selected based on previous researchers' results. For ...

2003
Qi Chen Jennifer Francis Wei Jiang

Bayesian learning implies decreasing weights on prior beliefs and increasing weights on the accuracy of the analyst’s past forecast record, as the number of forecast errors comprising her forecast record (its length) increases. Consistent with this model of investor learning, empirical tests show that investors’ reactions to forecast news are increasing in the product of the accuracy and length...

2010
M. I. Ortego J. Gibergans-Báguena R. Tolosana-Delgado J. J. Egozcue M. C. Llasat

A Point-Over-Threshold approach using a reparameterization of the Generalized Pareto Distribution (GPD) has been used to assess changes in the daily rainfall Barcelona series (1854–2006). A Bayesian approach, considering the suitable scale and physical features of the phenomenon, has been used to look for these alterations. Two different models have been assessed: existence of abrupt changes in...

2007
J. C. Lin C. Gerbig S. C. Wofsy V. Y. Chow E. Gottlieb B. C. Daube D. M. Matross

[1] Knowledge of trace gas fluxes at the land surface is essential for understanding the impact of human activities on the composition and radiative balance of the atmosphere. An ability to derive fluxes at the regional scale (on the order of 10–10 km), at the scale of ecosystems and political borders, is crucial for policy and management responses. Lagrangian (‘‘air mass-following’’) aircraft ...

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