0 ×

PBAC Scorer

DeprecatedKNIME Active Learning Plug-in version 4.2.0.v202006171506 by KNIME AG, Zurich, Switzerland

This node contains the default Prototype Based Active Classification (PBAC) implementation in a single node
For more information on PBAC see:


Exploitation Factor
The weighting factor between exploration and exploitation.
Radius Alpha
The radius alpha parameter for the node potential portion of PBAC.
Number of Neighbors
The number of neighbors considered by the kNN Learner.
Class Column (Port 1)
The column containing the class labels in the second input table.

Input Ports

All unlabeled
All labeled

Output Ports

Scored unlabeled

Best Friends (Incoming)

Best Friends (Outgoing)


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


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.

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.


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.