作者
Reshma Khemchandani, Suresh Chandra
发表日期
2009/1/1
期刊
Expert Systems with Applications
卷号
36
期号
1
页码范围
132-138
出版商
Pergamon
简介
In this paper, we propose a novel approach, termed as regularized least squares fuzzy support vector regression, to handle financial time series forecasting. Two key problems in financial time series forecasting are noise and non-stationarity. Here, we assign a higher membership value to data samples that contain more relevant information, where relevance is related to recency in time. The approach requires only a single matrix inversion. For the linear case, the matrix order depends only on the dimension in which the data samples lie, and is independent of the number of samples. The efficacy of the proposed algorithm is demonstrated on financial datasets available in the public domain.
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