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Basic Analysis and Graphing - SAS

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356 Creating Three-Dimensional Scatterplots Chapter 13<br />

The Scatterplot 3D Report<br />

Table 13.2 Description of the Scatterplot 3D Report<br />

Plot source<br />

Circle Size slider<br />

The plot source box indicates the source of the data in the plot.<br />

Note: The Circle Size slider appears only if you have specified<br />

a Weight variable.<br />

Click <strong>and</strong> drag the Circle Size slider to resize the balls while<br />

maintaining their relative sizes.<br />

Axis controls<br />

Next Axis Set (not<br />

shown)<br />

Select which variable appears on each axis. Choose the Other<br />

option to add a new variable.<br />

Note: The Next Axis Set button appears only if your analysis<br />

contains more than three variables.<br />

After you create a 3D scatterplot, you can add features such as displaying ellipses around specific data<br />

points, showing separate principal components, rotating components, connecting points, <strong>and</strong> more. See<br />

“Scatterplot 3D Platform Options” on page 359 for details.<br />

You can also assign colors <strong>and</strong> symbols (or markers) to data points either on the 3D scatterplot itself or in<br />

the associated data table. See “Assign Colors <strong>and</strong> Markers to Data Points” on page 358 <strong>and</strong> “Assign Colors<br />

<strong>and</strong> Markers in the Data Table” on page 359.<br />

Spin the 3D Scatterplot<br />

Cycles through the axis controls for any hidden variables. See<br />

“Change Variables on the Axes” on page 357.<br />

You spin the 3D scatterplot report in four ways:<br />

• Click <strong>and</strong> drag an empty area on the 3D scatterplot. The 3D scatterplot spins in the direction you<br />

dragged the mouse.<br />

Note: Click <strong>and</strong> drag on an empty area on the 3D scatterplot, not on an axis or data point. Dragging the<br />

axis rescales the axis. Dragging a data point only selects the point.<br />

• Slide the mouse wheel. The 3D scatterplot spins up <strong>and</strong> down only.<br />

• Hold down an arrow key. (Before using an arrow on the number keypad, verify that NUM LOCK is<br />

turned off.)<br />

• Hold down ESC. The 3D scatterplot spins left <strong>and</strong> right only.<br />

In each case, the 3D scatterplot spins as long as you hold down the mouse button, arrow key, or ESC key.<br />

The spinning also continues as you slide the mouse wheel.<br />

You can also spin the 3D scatterplot continuously as follows:

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