The following node is available in the Open Source KNIME predictive analytics and data mining platform version 2.7.1. Discover over 1000 other nodes, as well as enterprise functionality at http://knime.com.

Weka Predictor

The Weka Predictor takes a model generated in a weka node and classifies the test data at the inport.

Dialog Options

Append Winner Value
If the predicted attribute is nominal, a column for each nominal value with its probability is generated. If the 'Append Winner Value' option is set, an extra column with tehe winner attribute value is generated.

Ports

Input Ports
0 Weka Classifier Model
1 Test data
Output Ports
0 Classified Test data

Views

Weka Node View
Each Weka node provides a summary view that provides information about the classification. If the test data contains a class column, an evaluation is generated.
This node is contained in KNIME WEKA nodes provided by KNIME GmbH, Konstanz, Germany.