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Estimating Cost of Software Development with Traditional and Hesitant Fuzzy Pairwise Comparison Methods: An Application

机译:传统和犹豫式模糊成对比较方法在软件开发成本估算中的应用

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Estimating the cost of software is a fundamental and difficult process in information technology (IT) industry. Underestimation causes assigning fewer resources than the project needs and setting an unrealistic schedule. On the other hand, overestimation results in waste of resources and low customer satisfaction. It is clear that, software projects can be prioritized efficiently and resources can be used effectively by using efficient estimation methods. This paper presents a Traditional Pairwise Comparison (TPC) which involves a number of factors selected with the help of expert judgments working in a Turkish IT company. There may be uncertainties while evaluating the relative importance of two factors with TPC. Therefore, Hesitant Fuzzy Pairwise Comparison (HFPC) using Hesitant Multiplicative Geometric (HMG) operator is also presented to estimate cost of software projects having uncertainty in judgment. Both methods are applied to a software cost estimation problem for a Turkish IT company. It is seen that both methods provide efficient estimations in comparison with the real effort.
机译:估计软件成本是信息技术(IT)行业中的基本且困难的过程。估计不足会导致分配的资源少于项目需求,并制定了不切实际的时间表。另一方面,高估会浪费资源并降低客户满意度。显然,通过使用有效的估算方法,可以有效地确定软件项目的优先级,并可以有效地利用资源。本文介绍了传统的成对比较(TPC),其中涉及在土耳其IT公司工作的专家判断帮助下选择的许多因素。在评估两个因素与TPC的相对重要性时可能存在不确定性。因此,还提出了使用Hesitant乘性几何(HMG)算子的Hesitant模糊成对比较(HFPC)来估计具有不确定性的软件项目的成本。两种方法都适用于土耳其IT公司的软件成本估算问题。可以看出,与实际工作相比,两种方法都可以提供有效的估计。

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