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| Interactive Dimension Reordering in RadViz with Correlation Matrix |
| ZHANG Zhihao1,2, ZHANG Junping1,2, CHAN Takming3, LU Ying1, YUAN Xiaoru4, GU Tianlong5 |
1.School of Computer Science, Fudan University, Shanghai 200433
2.Shanghai Key Laboratory of Intelligent Information Processing, Fudan University, Shanghai 200433
3.Philips Research China, Shanghai 201102
4.School of Electronics Engineering and Computer Science, Peking University, Beijing 100871
5.Guangxi Key Laboratory of Trusted Software, Guilin University of Electronic Technology, Guilin 541004 |
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Abstract In the existing dimension reordering algorithms, the interactive functions allowing users to perform order navigation or reorder operations are rarely taken into account. Aiming at this problem, a navigation-guided correlation matrix is proposed for users to interactively reorder dimensions in radial visualization(RadViz). A hierarchical clustering algorithm with configurable parameters is specially designed for RadViz to recommend the initial dimension order. The dendrogram of results is employed to help users interactively reorder,select and delete dimensions for feature subset selection. Experiments show that the proposed method is interactive, user-friendly and helpful for alleviating the overlapping problem of data projections in RadViz.
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Received: 25 April 2017
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| Fund:Supported by National Natural Science Foundation of China(No.61673118,61572146,U1501252), Shanghai PuJiang Program(No.16PJD009) |
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Corresponding Authors:
(ZHANG Junping(Corresponding author), born in 1970, Ph.D., professor. His research interests include machine learning, intelligent transportation system and image processing.)
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About author:: (ZHANG Zhihao, born in 1992, master student. His research interests include information visualization.)
(ZHANG Junping(Corresponding author), born in 1970, Ph.D., professor. His research interests include machine learning, intelligent transportation system and image processing.)
(CHAN Takming,born in 1984, Ph.D., professor. His research interests include data mining and bioinformatics.)
(LU Ying, born in 1996, undergraduate. Her research interests include visualization and visual analytics.)
(YUAN Xiaoru, born in 1975. Ph.D., professor. His research interests include visua-lization and visual analytics.)
(GU Tianlong, born in 1964, Ph.D., professor. His research interests include software engineering and formal methods, knowledge engineering and symbolic reasoning.) |
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2017, Vol. 30 
