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Threshold Analyzer

Palladian for KNIME version 2.2.0.202005151546 by palladian.ws; Philipp Katz, Klemens Muthmann, David Urbansky

This node performs threshold analysis for binary classification or retrieval results with confidence values. It allows to calculate Precision, Recall, F1, and Accuracy measures depending on varying confidence/probability values.

Options

Class column
The actual class value assigned to a data item.
Positive class value
The value of the positive class.
Positive class probability
The column providing the numeric probability for an item classified as “positive”.

Input Ports

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Input with actual class values (binary) and probabilities.

Output Ports

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Precision, Recall, F1, and Accuracy values for different thresholds.

Views

Pr/Rc/F1/Accuracy Threshold Curves
Curves for Precision, Recall, F1, and Accuracy depending on the threshold

Best Friends (Incoming)

Best Friends (Outgoing)

Installation

To use this node in KNIME, install Palladian for KNIME 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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Developers

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