Trivariate displays encode three primary variables in a panel. There are four high-level functions in lattice that produce trivariate displays: cloud() creates three-dimensional scatter plots of unstructured trivariate data, whereas levelplot(), contourplot(), and wireframe() render surfaces or twodimensional tables evaluated on a systematic rectangular grid. Of these, cloud() and wireframe() are similar in that they both create two-dimensional projections of three-dimensional constructs, and they share several common arguments that control the details of the projection.
KeywordsConditioning Variable Klein Bottle Regression Surface Panel Function Longitude Latitude
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