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Modeling and Multivariate Methods - SAS

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Chapter 23 Plotting Surfaces 547<br />

Plot Controls <strong>and</strong> Settings<br />

Surface enables you to show or hide the top or bottom of a surface. If Above only or Below only is<br />

selected, the opposite side of the surface is darkened.<br />

Grid slider <strong>and</strong> checkbox activate a grid for the dependent variable. Use the slider to adjust the value where<br />

the grid is drawn, or type the value into the Grid Value box above the slider.<br />

Controls for Isosurface<br />

Most of the controls for Isosurface are identical to those of Sheet, points. Figure 23.11 shows the default<br />

controls, illustrating the slightly different presentation.<br />

Figure 23.11 Dependent Variable Controls for Isosurfaces<br />

Sliders adjust the<br />

surface<br />

Dependent Variable Menu Options<br />

There are several options for the Dependent Variable, accessed through the popup menu.<br />

Formula<br />

Surface<br />

Points<br />

reveals or hides the Formula drop-down list.<br />

reveals or hides the Surface drop-down list.<br />

reveals or hides the Point Response Column drop-down list.<br />

Response Grid<br />

reveals or hides the Grid controls.<br />

Plot Controls <strong>and</strong> Settings<br />

Rotate<br />

The plot can be rotated in any direction by dragging it. Place the cursor anywhere on the plot where the<br />

cursor has a circular arrow attached to it, then click <strong>and</strong> drag the plot to rotate.

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