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Building Streams
Figure 5-13
Data Preview from a model nugget
From the Generate menu, you can create several types of nodes.
Locking Nodes
To prevent other users from amendin g the settings of one or more nodes in a stream, you can
encapsulate the node or nodes in a special type of node called a SuperNode, and then lock the
SuperNode by applying password protection.
Working with Streams
Once you have connected source, process, and terminal nodes on the stream canvas, you have
created a stream. As a collection of nodes, s treams can be saved, annotated, and added to projects.
You can also set numerous options for streams, such as optimization, date and time settings,
parameters, and scripts. These properties are discussed in the topics t ha t follow.
In IBM® SPSS® Modeler, you can use and modify more than one data stream in the same
SPSS Modeler session. The right side of the main window contain s the managers pane, which
helps you to navigate the streams, outputs and models that are currently open. If you cannot s ee
the managers pane, click Managers on the View menu, then click the Streams tab.