December 2017
Beginner to intermediate
238 pages
5h 35m
English
Content preview from IBM SPSS Modeler Essentials
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Removing fields with the Filter node
Whereas the Select node works on records, the Filter node works on fields. The Filter node discards fields, renames fields, and maps fields from one source node to another. Often, a Filter node is used to remove fields that have one of two potential problems:
- A large proportion of missing records
- All (or almost all) records having the same value
In our case, we have two fields that have a large portion of missing values, therefore we will remove these fields:
- Place a Filter node from the Field Ops palette to the right of the Append node.
- Connect the Append node to the Filter node.
- Right-click the Filter node, then click Edit.
The Filter node (or Filter tab of a source node) allows data to pass through ...
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