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How to improve the calibration of cost models

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1 Author(s)
Ebrahimi, N.B. ; Div. of Stat., Northern Illinois Univ., DeKalb, IL, USA

One of software engineering's long-standing problems is to estimate the cost of a software project. Using the volume or size of a program to estimate the cost is a common practice in many software development organizations. However, in many situations one is unable to observe the value of this variable at the beginning of the project; one has to estimate it. In this paper we introduce a fairly general model which permits a surrogate or a proxy variable to be observed instead of the actual size. Under this model we obtain estimation of software cost at the given value of a surrogate variable. A confidence interval is also provided under this model

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Software Engineering, IEEE Transactions on  (Volume:25 ,  Issue: 1 )