The following node is available in the Open Source KNIME predictive analytics and data mining platform version 2.7.1. Discover over 1000 other nodes, as well as enterprise functionality at http://knime.com.
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.
0 | The input table which contains terms and documents. |
0 | The output table which contains terms documents and a corresponding frequency value. |