Ms. Felwa A. Abukhodair Profile

Felwa A. Abukhodair

at Simon Fraser University

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Proceedings Article | 4 February 2013 Paper

Does interactive animation control improve exploratory data analysis of animated trend visualization?

Felwa Abukhodair, Bernhard Riecke, Halil Erhan, Chris Shaw

Proceedings Volume 8654, 86540I (2013) https://doi.org/10.1117/12.2001874

KEYWORDS: Visualization, Data analysis, Visual analytics, Information visualization, Error analysis, Computer graphics, Internet, Databases, Complex systems, Data visualization

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OBJECTIVE: Effectively analyzing trends of temporal data becomes a critical task when the amount of data is large. Motion techniques (animation) for scatterplots make it possible to represent lots of data in a single view and make it easy to identify trends and highlight changes. These techniques have recently become very popular and to an extent successful in describing data in presentations. However, compared to static methods of visualization, scatterplot animations may be hard to perceive when the motions are complex. METHODS: This paper studies the effectiveness of interactive scatterplot animation as a visualization technique for data analysis of large data. We compared interactive animations with non-interactive (passive) animations where participants had no control over the animation. Both conditions were evaluated for specific as well as general comprehension of the data. RESULTS: While interactive animation was more effective for specific information analysis, it led to many misunderstandings in the overall comprehension due to the fragmentation of the animation. In general, participants felt that interactivity gave them more confidence and found it more enjoyable and exciting for data exploration. CONCLUSION: Interactive animation of trend visualizations proved to be an effective technique for exploratory data analysis and significantly more accurate than animation alone. With these findings we aim at supporting the use of interactivity to effectively enhance data exploration in animated visualizations.

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