The tools used to perform the analyses described in this book come largely from two “toolboxes.” One is R, which we use extensively for data management and manipulation, modeling, and static plots. Since R is well documented elsewhere, both in books (Dalgaard 2002, Venables & Ripley 2002, Murrell 2005) and on the web (R–project.org), we will say very little about it here.
Instead, we emphasize the less familiar tools drawn from GGobi, our other major toolbox: a set of direct manipulations that we apply to a set of plot types. With these plot types and manipulations we can construct and interact with multiple views, linked so that an action in one can affect them all. The examples described throughout the book are based on these tools.
KeywordsFrontal Lobe Plot Type Projection Pursuit Female Crab Parallel Coordinate Plot
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