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Spark Category To Number

KNIME Extension for Apache Spark core infrastructure version 4.3.1.v202101261633 by KNIME AG, Zurich, Switzerland

Maps nominal column to double columns.

Options

Mapping type
The mapping type to use.
  • Column: Uses a separate dictionary for each column
  • Global: Uses a global dictionary for all columns
  • Binary: Converts the selected columns into binary vectors by generating a new column for each unique column value.
Keep original columns
Select this option to keep the original columns otherwise all selected columns to convert are removed from the output table.
Columns to convert
The columns to convert

Input Ports

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Input Spark DataFrame/RDD.

Output Ports

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Mapped input Spark DataFrame/RDD
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PMML mapping dictionary

Best Friends (Incoming)

Best Friends (Outgoing)

Workflows

Installation

To use this node in KNIME, install KNIME Extension for Apache Spark from the following update site:

KNIME 4.3

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

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Developers

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