AN EMPIRICAL ANALYSIS OF FEATURE ENGINEERING TECHNIQUES TO REDUCE DIMENSIONALITY FOR NON-BINARY CLASSIFICATION PROBLEMS - A CASE STUDY WITH FOETAL HEALTH DATASET. AEJ [Internet]. 2025 Aug. 31 [cited 2025 Dec. 6];15(3):17-24. Available from: https://journals.utm.my/aej/article/view/22894