Kwon Ki-Tae, Byun Boon-Hee

The KIPS Transactions:PartD, Vol. 13, No. 6, pp. 715-822, Oct. 2006
http://dx.doi.org/10.3745/KIPSTD.2006.13D.6.815,   PDF Download:
Keywords: Software Cost Estimation, Criterions of the Software Cost Estimation, Function Point, Value Adjustment Factor, MMRE, PRED
Abstract

It is very important that they accurately predict the software development cost in the early stage of a software development. Because cost estimations are required when bidding for a contract or determining whether a project is feasible in terms of a cost-benefit analysis. The criterions of the software cost estimation was set up to calculate software development cost more exactly, which is applied to made up a budget of the software business or to calculate a suitable cost to start the business in our country. However, as the software technology and environment are changing very rapidly, it need to enhance the criterion of the cost estimation continuously. Therefore, we tried to apply technology of software and a variety of factors of environment changes in present. Most of all, we proposed an introduction and readjustment of the adjustment factor applying 14 general system characteristics to improve the accuracy of the cost estimation and the schedule adjustment factor that is required by practicians. For evaluating the accuracy in terms of the real data, we have used MMRE & PRED. In result, we proved that the accuracy was clearly improved by applying the scale factor and readjusted VAF with 14 general system characteristics. Moreover, we evaluated the accuracy of the schedule adjustment factor.

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