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T2RFIS: Type-2 Regression-based Fuzzy Inference System

version 1.0.5 (280 KB) by Krzysztof Wiktorowicz
T2RFIS is a novel simple fuzzy inference system with type-2 fuzzy sets without explicitly defined fuzzy rules based on ridge regression.


Updated 16 May 2022

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This project concerns training fuzzy systems on the basis of ridge regression. These systems use Gaussian type-2 fuzzy sets for the inputs and a linearly parameterized system function to obtain the output. The input fuzzy sets are determined by a multi-objective genetic algorithm with a feature selection method. The multi-criteria objective functions enable the selection of models from the Pareto fronts taking into account the compromise between model accuracy and its simplification.
The package contains an example of using the T2RFIS method to predict automobile fuel consumption in miles per gallon (MPG). The data can be downloaded from: Original data-set contains 398 rows, but the records with missing values have been removed, so we have 392 rows.

Cite As

Krzysztof Wiktorowicz (2022). T2RFIS: Type-2 Regression-based Fuzzy Inference System (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2021b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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