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- W2031991569 abstract "Forecast uncertainty information is not available in the immediate output of Numerical weather prediction (NWP) models. Such important information is required for optimal decision making processes in many domains. Prediction intervals are a prominent form of reporting the forecast uncertainty. In this paper, a series of learning methods are investigated to obtain prediction interval models by a statistical post-processing procedure involving the historical performance of an NWP system. The article investigates the application of a number of different quantile regression algorithms, including kernel quantile regression, to compute prediction intervals for target weather attributes. These quantile regression methods along with a recently proposed fuzzy clustering-based distribution fitting model are practically benchmarked in a set of experiments involving a three years long database of hourly NWP forecast and observation records. The role of different feature sets and parameters in the models are studied as well. The forecast skills of the obtained prediction intervals are evaluated not only by means of classical cross fold validation test experiments, but also subject to a new sampling variation process to assess the uncertainty of skill score measurements. The results show also how the different methods compare in terms of various quality aspects of prediction interval forecasts such as sharpness and reliability." @default.
- W2031991569 created "2016-06-24" @default.
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- W2031991569 date "2013-07-29" @default.
- W2031991569 modified "2023-09-27" @default.
- W2031991569 title "Learning uncertainty models from weather forecast performance databases using quantile regression" @default.
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- W2031991569 doi "https://doi.org/10.1145/2484838.2484840" @default.
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