0 ×

ICF

KNIME Textprocessing Plug-in version 4.2.1.v202008251908 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

Icon
The input table which contains terms and documents.

Output Ports

Icon
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.

You don't know what to do with this link? Read our NodePit Product and Node Installation Guide that explains you in detail how to install nodes to your KNIME Analytics Platform.

Wait a sec! You want to explore and install nodes even faster? We highly recommend our NodePit for KNIME extension for your KNIME Analytics Platform. Browse NodePit from within KNIME, install nodes with just one click and share your workflows with NodePit Space.

Developers

You want to see the source code for this node? Click the following button and we’ll use our super-powers to find it for you.