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Spark Number To Category (Apply)

This node takes columns with numerical data and maps every number to the former category string. The information for the value mapping is taken from the PMML model.

This node is typically used to apply the same mapping found by a Spark Category To Number node.

Options

Keep original columns: Select this option to keep the original columns otherwise all selected columns to convert are removed from the output table.
Column suffix: The column name of the computed columns are the name of the column in the input appended by this suffix.

Input Ports

: PMML document containing value mapping
: Spark DataFrame/RDD to process

Output Ports

: Spark DataFrame/RDD with transformed columns

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Installation

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:

v5.1

A zipped version of the software site can be downloaded here.

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 5.1.1.v202308171510

On NodePit since: 2023-07-15

Last update: 2024-04-17

KNIME versions: From v3.6 to v5.1

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