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- W749070322 abstract "A framework for a 10-day ahead probabilistic forecast based on a deterministic model is proposed. The framework is demonstrated on the system price of the Nord Pool electricity market. The framework consists of a two-component mixture model for the error terms (ET) generated by the deterministic model. The components assume the dynamics of balanced or unbalanced ET respectively. The label of the ET originates from a classification of prices according to their relative difference for consecutive hours. The balanced ET are modeled by a seemingly unrelated model (SUR). For the unbalanced ET we only outline a model. The SUR generates a 240-dimensional Gaussian distribution for the balanced ET. The resulting probabilistic forecast is evaluated by four point-evaluation methods, the Talagrand diagram and the energy score. The probabilistic forecast outperforms the deterministic model both by the standards of point and probabilistic evaluation. The evaluations were performed at four intervals in 2008 consisting of 20 days each. The Talagrand diagram diagnoses the forecasts as under-dispersed and biased. The energy score finds the optimal length of training period and set of explanatory variables of the SUR model to change with time. The proposed framework demonstrates the possibility of constructing a probabilistic forecast based on a deterministic model and that such forecasts can be evaluated in a probabilistic setting. This shows that the implementation and evaluation of probabilistic forecasts as a scenario generating tools in stochastic optimization are possible." @default.
- W749070322 created "2016-06-24" @default.
- W749070322 creator A5032897085 @default.
- W749070322 date "2011-01-01" @default.
- W749070322 modified "2023-09-24" @default.
- W749070322 title "A Framework for Constructing and Evaluating Probabilistic Forecasts of Electricity Prices : A Case Study of the Nord Pool Market" @default.
- W749070322 hasPublicationYear "2011" @default.
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