基于加权类比的软件成本估算方法

计算机科学 ›› 2018, Vol. 45 ›› Issue (11A): 501-504.

• 软件工程与数据库技术 • 上一篇下一篇

基于加权类比的软件成本估算方法

赵小敏, 曹光斌, 费梦钰, 朱李楠

浙江工业大学计算机科学与技术学院杭州310023

出版日期:2019-02-26 发布日期:2019-02-26
通讯作者: 朱李楠(1982-),男,博士,讲师,主要研究方向为云制造、制造业信息化等,E-mail:zln@zjut.edu.cn
作者简介:赵小敏(1976-),男,博士,副教授,CCF会员,主要研究方向为无线传感器网络、信息安全和软件成本评估,E-mail:zxm@zjut.edu.cn;曹光斌(1992-),男,硕士生,主要研究方向为软件成本评估;费梦钰(1992-),女,硕士生,主要研究方向为软件成本评估
基金资助:
本文受国家自然科学基金(61701443)资助。

Software Cost Estimation Method Based on Weighted Analogy

ZHAO Xiao-min, CAO Guang-bin, FEI Meng-yu, ZHU Li-nan

College of Computer Science and Technology,Zhejiang University of Technology,Hangzhou 310023,China

Online:2019-02-26 Published:2019-02-26

摘要/Abstract

摘要： 软件成本估算是软件项目开发周期、管理决策和软件项目质量中最重要的问题之一。针对软件研发成本估算在软件行业中普遍存在不准确、难以估算的问题,提出一种基于加权类比的软件成本估算方法,将相似度距离定义为具有相关性的马氏距离,通过优化的粒子群算法优化后得到权值,并用类比法估算软件成本。实验结果表明,该方法具有比非加权类比、神经网络等非计算模型方法更高的精确度。实际案例测试表明,该方法在软件开发初期基于需求分析的软件成本估算比专家估算有更精确的评估结果。

关键词: 加权类比, 粒子群优优化, 马氏距离, 软件成本估算

Abstract: Software cost estimation is one of the most important issues in the cycle of development,management decision,and in the quality of software project.Aiming at the common problems of software cost estimation in the software industry,such as inaccuracy of cost estimation and estimation difficulty,this paper presented a weighted analogy-based software cost estimation method.In this method,the similarity distance is defined as the Mahalanobis distance with correlation,and the weight is obtained by particle swarm optimization.The software cost is estimated by analogy method.The result shows that this method has high accuracy compared with non-computational based model methods such as non-weighted analogy and neural networks.At the same time,the actual cases show that this method is more accurate than expert estimation in software cost estimation based on demand analysis at the early stage of software development.

Key words: Mahalanobis distance, Particle swarm optimization, Software cost estimation, Weighted analogy

中图分类号:

TP391

赵小敏, 曹光斌, 费梦钰, 朱李楠. 基于加权类比的软件成本估算方法[J]. 计算机科学, 2018, 45(11A): 501-504. https://doi.org/

ZHAO Xiao-min, CAO Guang-bin, FEI Meng-yu, ZHU Li-nan. Software Cost Estimation Method Based on Weighted Analogy[J]. Computer Science, 2018, 45(11A): 501-504. https://doi.org/

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