IJE TRANSACTIONS B: Applications Vol. 30, No. 11 (November 2017) 1548-1557    Article in Press

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S. Kumar and G Sahoo
( Received: April 06, 2017 – Accepted: September 08, 2017 )

Abstract    Machine learning based classification techniques provide support for the decision making process in the field of healthcare, especially in disease diagnosis, prognosis and screening. Healthcare datasets are voluminous in nature and their high dimensionality problem comprises in terms of slow-er learning rate and higher computational cost. Feature selection is expected to deal with the high dimensionality of data-sets in terms of reduced feature set. Feature selection improves the performance of classification accuracy particularly performing with less number of features in decision making process. In this paper Random Forest (RF) is employed for the diagnosis of cardiovascular disease. The first phase of proposed system aims at constructing various feature selection algorithm such as Principal Component Analysis (PCA), Relief- F, Sequential Forward Floating Search (SFFS), Sequential Backward Floating Search (SBFS) and Genetic Algorithm (GA) for reducing the dimension of cardiovascular disease datasets. The second phase switched to model construction based on RF algorithm for cardiovascular disease classification. The obtained outcome shows that the combination with GA and RF delivered the highest classification accuracy of 93.2% by help of six features.


Keywords    Random Forest, Genetic Algorithm, Feature Selection, Cardiovascular Disease


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