TF

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Computes the relative term frequency (tf) of each term according to each document and adds a column containing the tf value. The value is computed by dividing the absolute frequency of a term according to a document by the number of all terms of that document.

Options

Frequency options

Relative frequency: If relative frequency is checked, the relative term frequency is computed, otherwise the absolute term frequency.

Document selection

Document Column: Specifies the document column to use for frequency counting.

Input Ports

: The input table which contains terms and documents.

Output Ports

: The output table which contains terms documents and a corresponding frequency value.

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Installation

To use this node in KNIME, install the extension KNIME Textprocessing from the below update site following our NodePit Product and Node Installation Guide:

v4.6

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

Plugin provider: KNIME AG, Zurich, Switzerland

Plugin version: 4.6.2.v202209150850

On NodePit since: 2022-06-11

Last update: 2022-09-25

KNIME versions: Since v3.6

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TF