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.

Distance Matrix Calculate

Calculates distance values for all pairs of rows of the input table. The result is appended to the input table as a single column containing distance vector values.

Dialog Options

Distance Function
Select distance function to use.
Column Selection
Select columns contributing to distance calculation.
Appended Column Name
Choose name of the new column.
Chunk Size
Specify the number of rows to be considered at once. Increasing this number will speed up runtime but may require more memory to be used. This value has no impact on the outcome, it only influences runtime.

Ports

Input Ports
0 Table containing the data
Output Ports
0 Input table with additional column containing distance matrix
This node is contained in KNIME Distance Matrix Extension provided by KNIME GmbH, Konstanz, Germany.