Optimizing Predictive Accuracy: A Comparative Study of Modern Machine Learning Algorithms in Real-World Datasets

Subhash Chandra Bose Naripeddy () and Viswanadha Raju Thotakura ()

Journal of Artificial Intelligence General science (JAIGS) ISSN:3006-4023, 2025, vol. 8, issue 02, 111-125

Abstract: In recent years, the application of machine learning (ML) algorithms has grown exponentially across industries due to their ability to derive insights and make predictions from complex data. This study presents a comparative analysis of several widely used machine learning algorithms, including Random Forest, Support Vector Machine (SVM), Gradient Boosting, k-Nearest Neighbors (k-NN), and Deep Neural Networks. Using diverse real-world datasets from healthcare, finance, and social media domains, the performance of each algorithm is evaluated based on predictive accuracy, precision, recall, F1-score, and computational efficiency. The results reveal how data characteristics, such as feature dimensionality, class imbalance, and noise, affect model performance. Recommendations are provided on the optimal selection of algorithms for specific dataset types and objectives. This study aims to assist data practitioners and researchers in choosing the most suitable ML models for enhancing predictive capabilities in practical applications.

Keywords: Machine Learning; Predictive Modeling; Algorithm Comparison; Real-World Datasets; Model Evaluation (search for similar items in EconPapers)
Date: 2025
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