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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Gang Liu Hui Yang |
| Copyright Year | 2015 |
| Description | Author affiliation: Complex Syst. Monitoring, Modeling & Anal. Lab., Univ. of South Florida, Tampa, FL, USA (Gang Liu; Hui Yang) |
| Abstract | Rapid advancement of sensing and information technology brings the big data, which presents a gold mine of the 21st century. However, big data also brings significant challenges for data-driven decision making. In particular, it is not uncommon that a large number of variables (or features) underlie the big data. Complex interdependence structures among variables challenge the traditional framework of predictive modeling. This paper presents a new methodology of self-organizing network for variable clustering and predictive modeling. Specifically, we developed a new approach, namely nonlinear coupling analysis to measure nonlinear interdependence structures among variables. Further, all the variables are embedded as nodes in a complex network. Nonlinear-coupling forces move these nodes to derive a self-organizing topology of network. As such, variables are clustered as sub-network communities in the space. Experimental results demonstrated that the proposed methodology not only outperforms traditional variable clustering algorithms such as hierarchical clustering and oblique principal component analysis, but also effectively identify interdependent structures among variables and further improves the performance of predictive modeling. The proposed new idea of self-organizing network is generally applicable for predictive modeling in many disciplines that involve a large number of highly-redundant variables. |
| Starting Page | 1084 |
| Ending Page | 1089 |
| File Size | 3023594 |
| Page Count | 6 |
| File Format | |
| e-ISBN | 9781467381833 |
| DOI | 10.1109/CoASE.2015.7294243 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-08-24 |
| Publisher Place | Sweden |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Predictive models Correlation Clustering algorithms Principal component analysis Force Big data Self-organizing networks |
| Content Type | Text |
| Resource Type | Article |
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