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Applied Visual Analytics for Exploring the National Health and Nutrition Examination Survey

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5 Author(s)

The National Health and Nutrition Examination Survey (NHANES) is a research program to assess the health and nutritional status of the population in the United States. In this work, we present a visual analytics system designed to help researchers explore patterns and form hypotheses within the NHANES dataset. The visualization component of the environment is an extension of traditional scatter plot matrices. Since the upper portion of the scatter plot matrix is a redundant encoding, we utilize this space, to show the projected N-dimensional clustering of points. The rows and columns of the matrix are automatically ordered using information about the cluster projection in each space as a means of showing the most meaningful dimensions. A comparison module has also been included that allows the user to compare groupings of people to the 2010 Dietary Guidelines for Americans. This tool enhances the analysis work by aiding discovery and hypothesis formation.

Published in:

System Science (HICSS), 2012 45th Hawaii International Conference on

Date of Conference:

4-7 Jan. 2012