In this paper, a novel procedure for regression analysis in the case of non-stationary data streams is presented. Despite numerous applications, the regression task is rarely considered in a scientific literature, e.g. compared to classification task. The proposed method applies an ensemble technique to deal with data streams (especially with concept drift). As weak learners, a nonparametric estimator of regression is used. Every single weak model (weak learner) is able to track a specific type of the non-stationarity. The experimental section demonstrates that the proposed algorithm allows for tracking different types nonstationarities and increases accuracy with respect to a single estimator.
CITATION STYLE
Duda, P., Jaworski, M., & Rutkowski, L. (2018). Online grnn-based ensembles for regression on evolving data streams. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 10878 LNCS, pp. 221–228). Springer Verlag. https://doi.org/10.1007/978-3-319-92537-0_26
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