Please note that all data must be numeric, including the label column. Use the Spark Category To Number nodes to convert nominal values to numeric columns. The mapping dictionary of the converter node is the input of the second in port of this node.
Use the Spark Predictor node to apply the learned model to unseen data.(*) RANDOM FORESTS is a registered trademark of Minitab, LLC and is used with Minitab’s permission.
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To use this node in KNIME, install the extension KNIME Extension for Apache Spark (legacy) from the below update site following our NodePit Product and Node Installation Guide:
A zipped version of the software site can be downloaded here.
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Please note that this is only about NodePit. We do not provide general support for KNIME — please use the KNIME forums instead.