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Title: | Enhancing software effort estimation with self-organizing migration algorithm: A comparative analysis of COCOMO models | ||||||||||
Author: | Bajusová, Darina; Šilhavý, Petr; Šilhavý, Radek | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | IEEE Access. 2024, vol. 12, p. 67170-67188 | ||||||||||
ISSN: | 2169-3536 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.1109/ACCESS.2024.3399060 | ||||||||||
Abstract: | This study presents a comprehensive analysis of enhancing software effort estimation accuracy using a Self-Organizing Migration Algorithm (SOMA)-optimized Constructive Cost Model (COCOMO). By conducting a comparative study of traditional COCOMO models and SOMA-optimized variants across preprocessed datasets (NASA93, NASA63, NASA18, Kemerer, Miyazaki94, and Turkish), our research focuses on crucial evaluation metrics, including Mean Magnitude of Relative Error (MMRE), Prediction at 0.25 (PRED(0.25)), Mean Absolute Error (MAE), and Root Mean Square Error (RMSE). The analysis encompasses various configurations of COCOMO models—basic, intermediate, and post-architecture COCOMO II, supplemented with additional statistical testing and residual analysis for in-depth insights. The results demonstrate that the SOMA-optimized COCOMO models generally surpass traditional models in predictive accuracy, especially notable in metrics such as MMRE where an improvement of up to 12%, PRED(0.25) with an enhancement of 15%, MAE reduction by 18%, and a decrease in RMSE by 20% were observed. However, performance variances were identified in specific scenarios, highlighting areas for further refinement, particularly in large-scale estimations where residual plots suggested the potential for underestimation or overestimation. The study concludes that integrating the SOMA optimization algorithm into COCOMO models significantly enhances the accuracy of software effort estimations, providing valuable insights for future research to optimise estimations for larger projects and advance prediction models. This advancement addresses the technical challenge of parameter accuracy and offers a methodological improvement in model selection and application, underscoring the potential of metaheuristic optimization in software effort estimation. | ||||||||||
Full text: | https://ieeexplore.ieee.org/document/10526276 | ||||||||||
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