Plotting Subsets of Data

Creating BY Group Plots

The last part of this example is the same as for the previous example.


Select Graph \blacktriangleright\,Scatter Plot from the main menu.

Select the latitude variable and click Set Y. Select the longitude variable and click Set X.

Click the BY Variables tab.

Scroll down in the list of variables and select the month variable. Click Add BY.

The BY Options tab should be populated with your choices from the previous example.


Click OK.

Nine scatter plots appear, one for each month 4 - 12, as shown in Figure 12.13.

ugplotbyscatby.png (77087 bytes)

Figure 12.13: Scatter Plots of Location by Month

Note that marker properties such as color, shape, and selected status are copied to each of the BY groups. In particular, the selected blue stars enable you to see the origin of each cyclone.

A few new features of the data are apparent.

The next section describes how you can use the Workspace Explorer to view, hide, close, and compare BY-group plots.

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