Model calibration

Xem 1-20 trên 36 kết quả Model calibration
  • Overview "Travel Demand Model Estimation and Validation: Experience from the USA ": Travel Demand Models, Model Calibration & Validation, Additional Information.

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  • Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí hóa hoc quốc tế đề tài : Advanced 3D indoor propagation model: calibration and implementation

    pdf10p dauphong11 06-02-2012 13 2   Download

  • Modeling Hydrologic Change: Statistical Methods is about modeling systems where change has affected data that will be used to calibrate and test models of the systems and where models will be used to forecast system responses after change occurs. The focus is not on the hydrology. Instead, hydrology serves as the discipline from which the applications are drawn to illustrate the principles of modeling and the detection of change. All four elements of the modeling process are discussed: conceptualization, formulation, calibration, and verification.

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  • Continuous-time modeling in finance, though introduced by Louis Bachelier's 1900 thesis on the theory of speculation, really started with Merton's seminal work in the 1970s. Since then, the continuous-time paradigm has proved to be an immensely useful tool in finance and more generally economics. Continuous-time models are widely used to study issues that include the decision to optimally consume, save, and invest, portfolio choice under a variety of constraints, contingent claim pricing, capital accumulation, resource extraction, game theory, and more recently contract theory....

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  • SWAT model was used to assess the impacts of climate change on the streamflow of Ben Hai River Basin. The daily streamflow for 1979 - 1996 and 1997 - 2006 was used to calibrate and validate the SWAT model, respectively. Nash efficiency values for the daily comparison were 0.72 for the calibration period and 0.74 for the validation period. Three scenarios were analyzed relative to the baseli ne with 28-year time series. A doubling of the atmospheric C02 content to 660 ppm (while holding other climatic variables) resulted in a 7.

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  • Tham khảo tài liệu 'volume 102 1997 uncertainty and dimensional calibration', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The topic of calibration and verification of rainfall-runoff model has been subject of many researches. However, most of the researches using the continuous data for this task, while in the conditions of Vietnam, it is difficult to collect the sub-day continuous data. This leads to the need for methods that can calibrate and verify the model parameters from the event data. This paper introduces such a method. Idea of the method is to combine the auto-calibration and trialand-error methods.

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  • This paper demonstrates that the use of ensemble methods and carefully calibrating the decision threshold can significantly improve the performance of machine learning methods for morphological word decomposition. We employ two algorithms which come from a family of generative probabilistic models. The models consider segment boundaries as hidden variables and include probabilities for letter transitions within segments. The advantage of this model family is that it can learn from small datasets and easily generalises to larger datasets. ...

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  • Volume 102, Number 6, November–December 1997 Journal of Research of the National Institute of Standards and Technology [J. Res. Natl. Inst. Stand. Technol. 102, 647 (1997)] Uncertainty and Dimensional Calibrations Volume 102 Ted Doiron and John Stoup National Institute of Standards and Technology, Gaithersburg, MD 20899-0001 Number 6 The calculation of uncertainty for a measurement is an effort to set reasonable bounds for the measurement result according to standardized rules.

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  • This book aims to provide a concise account of the essential elements of quality control. It is designed to be used as a text for courses on quality control for students of industrial engineering at the advanced undergraduate, or as a reference for researchers in related fields seeking a concise treatment of the key concepts of quality control. It is intended to give a contemporary account of procedures used to design quality models.

    pdf128p namde02 12-03-2013 41 18   Download

  • It is a pleasure to edit the second volume of papers presented at the Mathematical Finance Seminar of New York University. These articles, written by some of the leading experts in financial modeling cover a variety of topics in this field. The volume is divided into three parts: (I) Estimation and Data-Driven Models, (II) Model Calibration and Option Volatility and (III) Pricing and Hedging. The papers in the section on "Estimation and Data-Driven Models" develop new econometric techniques for finance and, in some cases, apply them to derivatives.

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  • In heavy-duty applications, where fuel economy is a top priority, lean deN Ox systems using a selective catalytic reduction (SCR) approach are an interesting alternative. Such systems can reduce engine-out N Ox by approximately one order of magnitude. This permits the engine to be calibrated at the high-efficiency/low-PM boundary of the trade-off curve (see Fig. 1.11, early injection angle). The drawback of this approach is, of course, the need for an additional fluid distribution infrastructure (most likely urea).

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article 2D-3D Registration of CT Vertebra Volume to Fluoroscopy Projection: A Calibration Model Assessment

    pdf8p dauphong15 18-02-2012 24 4   Download

  • In the European Union, the existing insurance and reinsurance directives do not contain any provisions that place reliance on credit rating agencies. There is no explicit credit risk charge for the solvency margin in the Solvency I framework. The solvency margin in the Solvency I framework is not the sum of different capital charges related to different risks, but a single capital charge calibrated to reflect all the risks an insurance company faces.

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  • So far, hybrid-testing research has centered on dry-mill production, the lower investment technique of choice for the new cooperatively owned plants. The seed companies are targeting their incentive programs on dry mills. Monsanto’s program, “Fuel Your Profits,” provides the participating ethanol plant with high-tech equipment that profiles the genetics of incoming corn and is calibrated to maximize ethanol yield (Rutherford). As an incentive, Monsanto gives rebates on E85 vehicles (those designed to run on 85%-ethanol fuel) and fueling stations.

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  • Pressing demand. Past market-based systems never saw real field testing, and contention was often artifi- cially generated. Today, a deployed market system could have immediate usage and solve real resource conflicts. Real usage data will help researchers calibrate and eval- uate their market-based resource schedulers. Previous mechanism designs were not able to take advantage of user feedback to drive the mechanism design process. Improved operating system infrastructure.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Quantum transport simulations of graphene nanoribbon devices using Dirac equation calibrated with tight-binding pi-bond model

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Towards a Performance Boundary in Calibrating Indoor Ray Tracing Models

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  • The study of natural catastrophe models plays an important role in the prevention and mitigation of disasters. After the occurrence of a nat- ural disaster, the reconstruction can be financed with catastrophe bonds (CAT bonds) or reinsurance. This paper examines the calibration of a real parametric CAT bond for earthquakes that was sponsored by the Mexican government. The calibration of the CAT bond is based on the estimation of the intensity rate that describes the earthquake process from the two sides of the contract, the reinsurance and the capital markets, and from the historical data.

    pdf35p enter1cai 16-01-2013 21 2   Download

  • The meteorological archive contains what is believed to be the longest continuous daily climate series from a single site in the UK and Ireland and one of the longest in the world. The climate station has been continuously maintained since 1795, with readings currently taken every day at 09:00 (GMT). Calibration of these data has enabled researchers and government agencies to use the Armagh series for reports and research into global warming. This is a subject of strategic importance for Northern Ireland as we move into an era of rapid climate change.

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