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A Hybridised Intelligent Technique for the Diagnosis of Medical Diseases

Abdu Masanawa Sagir and Saratha Sathasivam

Pertanika Journal of Tropical Agricultural Science, Volume 25, Issue 2, April 2017

Keywords: Adaptive neuro fuzzy inference system, classification, Levenberg-Marquardt algorithm, diagnosis of medical diseases

Published on: 27 Apr 2017

Medical diagnosis is the process of determining which disease or medical condition explains a person's determinable signs and symptoms. Diagnosis of most diseases is very expensive as many tests are required for predictions. This paper aims to introduce an improved hybrid approach for training the adaptive network based fuzzy inference system (ANFIS). It incorporates hybrid learning algorithms least square estimates with Levenberg-Marquardt algorithm using analytic derivation for computation of Jacobian matrix, as well as code optimisation technique, which indexes membership functions. The goal is to investigate how certain diseases are affected by patient's characteristics and measurement such as abnormalities or a decision about the presence or absence of a disease. In order to achieve an accurate diagnosis at this complex stage of symptom analysis, the physician may need efficient diagnosis system to classify and predict patient condition by using an adaptive neuro fuzzy inference system (ANFIS) pre-processed by grid partitioning. The proposed hybridised intelligent technique was tested with Statlog heart disease and Hepatitis disease datasets obtained from the University of California at Irvine's (UCI) machine learning repository. The robustness of the performance measuring total accuracy, sensitivity and specificity was examined. In comparison, the proposed method was found to achieve superior performance when compared to some other related existing methods.

ISSN 1511-3701

e-ISSN 2231-8542

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