Readings in information visualization: using vision to think
Readings in information visualization: using vision to think
Visualizing Categorical Data
Tree-Maps: a space-filling approach to the visualization of hierarchical information structures
VIS '91 Proceedings of the 2nd conference on Visualization '91
Dust & magnet: multivariate information visualization using a magnet metaphor
Information Visualization
Interactive Quantification of Categorical Variables in Mixed Data Sets
IV '08 Proceedings of the 2008 12th International Conference Information Visualisation
Mapping nominal values to numbers for effective visualization
INFOVIS'03 Proceedings of the Ninth annual IEEE conference on Information visualization
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Categorical data appears in various places, and dealing with it has been a major concern in analysis fields. However, representing not only global trends but also local trends of data simultaneously by conventional techniques is difficult. We propose a visualization method called "granular representation" for analyzing categorical data visually. Our approach visually represents data as a set of objects and allows intuitive analysis instead of the traditional way with tables of numbers. We developed a tool by integrating granular representation and bar charts. The effectiveness of the tool is demonstrated using real data about media consumption.