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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

An Optimized Analogy-Based Project Effort Estimation

Author 1: Mohammad Azzeh
Author 2: Yousef Elsheikh
Author 3: Marwan Alseid

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2014.050402

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 5 Issue 4, 2014.

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Abstract: despite the predictive performance of Analogy-Based Estimation (ABE) in generating better effort estimates, there is no consensus on: (1) how to predetermine the appropriate number of analogies, (2) which adjustment technique produces better estimates. Yet, there is no prior works attempted to optimize both number of analogies and feature distance weights for each test project. Perhaps rather than using fixed number, it is better to optimize this value for each project individually and then adjust the retrieved analogies by optimizing and approximating complex relationships between features and reflects that approximation on the final estimate. The Artificial Bees Algorithm is utilized to find, for each test project, the appropriate number of closest projects and features distance weights that is used to adjust those analogies’ efforts. The proposed technique has been applied and validated to 8 publically datasets from PROMISE repository. Results obtained show that: (1) the predictive performance of ABE has noticeably been improved, (2) the number of analogies was remarkably variable for each test project. While there are many techniques to adjust ABE, Using optimization algorithm provides two solutions in one technique and appeared useful for datasets with complex structure.

Keywords: Cost Estimation; Effort Estimation by Analogy; Bees Optimization Algorithm

Mohammad Azzeh, Yousef Elsheikh and Marwan Alseid, “An Optimized Analogy-Based Project Effort Estimation” International Journal of Advanced Computer Science and Applications(IJACSA), 5(4), 2014. http://dx.doi.org/10.14569/IJACSA.2014.050402

@article{Azzeh2014,
title = {An Optimized Analogy-Based Project Effort Estimation},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2014.050402},
url = {http://dx.doi.org/10.14569/IJACSA.2014.050402},
year = {2014},
publisher = {The Science and Information Organization},
volume = {5},
number = {4},
author = {Mohammad Azzeh and Yousef Elsheikh and Marwan Alseid}
}


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