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ICF

KNIME Textprocessing Plug-in version 4.2.0.v202006151600 by KNIME AG, Zurich, Switzerland

Computes the inverse category frequency (icf) of each term according to the given set of documents, categories of documents respectively, and adds a column containing the icf value. The value for term t is computed as follows: icf(t) = log(1 + (f(C) / f(c, t)),
where f(C) is the number of all categories and f(c, t) is the number of categories containing term t.

Options

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.

Best Friends (Incoming)

Best Friends (Outgoing)

Installation

To use this node in KNIME, install KNIME Textprocessing from the following update site:

KNIME 4.2

A zipped version of the software site can be downloaded here. Read our FAQs to get instructions about how to install nodes from a zipped update site.

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