Predicting future cash flows based on historical data is an essential and hard problem of financial business. Most of the previous works have attempted to convert cash flows into time series to make prediction. However, real-valued datasets are mostly multidimensional sources with complex curves, large amplitude and high frequency. The handful of research efforts that consider those truths have met with limited success. This paper proposes an algorithm based on Multi-task Gaussian Process model to predict cash flows in funds. Purchase refers to cash inflow, while redemption refers to cash outflow. MTGP can learn the correlation within multiple time series and make regression on each time series simultaneously. Furthermore, motif discovery is used for dimensionality reduction in data before MTGP to improve the accuracy. Experimental results on real-world data demonstrate the advantages of our proposed algorithm.
CITATION STYLE
Wang, C., Cai, X., Zhang, Z., & Wen, Y. (2016). Purchase and redemption prediction based on multi-task gaussian process and dimensionality reduction. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9932 LNCS, pp. 434–438). Springer Verlag. https://doi.org/10.1007/978-3-319-45817-5_41
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