Available with Geostatistical Analyst license.
- Right-click the geostatistical layer in the ArcMap table of contents that you want to classify and click Properties.
- Click the Symbology tab.
- Click Classify.
- Click the Method arrow and choose a classification method.
- Click the up/down arrows on the Classes input box to set the desired number of classes.
- Click OK on the Classification dialog box.
- Click OK on the Layer Properties dialog box.