Abstract
Previous work by the authors showed no significant benefit for dynamic graphical presentation as opposed to static scatterplots in determining the number of data clusters present in multidimensional data sets. In the present study, subjects interactively looked for different types of structure, such as linear trends, clusters, or increases in variance of one variable, rather than discriminating number of clusters, to more closely mimic actual exploratory data-analysis features of interest. Searching for structure failed to prove significant benefits for dynamic data presentation.
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