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The tree viewer for EM, KM, and OC operate in the same way.
The Tree Viewer is the graphical tree for hierarchical clusters. When you view the tree:
The Workflow Thumbnail opens to give you a view of the entire tree.
The Structure Window helps you navigate and analyze the tree.
You can compare the attributes in a given node with the attributes in the population using EM, KM, and OC Compare.
Viewing Information:
To view information about a particular node:
Select the node.
In the lower pane, the following are displayed in each of these tabs:
Centroid: Displays the centroid of the cluster
Cluster Rule: Displays the rule that all elements of the cluster satisfy.
Display Control:
The following control the display of the tree as a whole:
Zoom in: Zooms in to the diagram, providing a more detailed view of the rule.
Zoom out: Zooms out from the diagram, providing a view of much or all of the rule.
Percent size: Enables you select an exact percentage to zoom the view.
Fit to Window: Zooms out from the diagram until the whole diagram fits within the screen.
Layout Type: Enables you to select horizontal layout or vertical layout; the default is vertical.
Expand: All nodes shows branches of the tree.
Show more detail: Shows more data for each tree node. Click again to show less detail.
Top Attributes: Displays the top N attributes. N is 5 by default. To change N, select a different number from the list.
Refresh: Enables you to apply the changed Query Settings.
Query Settings: Enables you to change the number of top settings. The default is 10. You can save a different number as the new default.