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Nowadays functional size measurement is a strategic key to deal with the management of software systems development. The origin of this importance is the fact that functional size measurement is the main input variable in software effort estimation systems. Nevertheless, to obtain precise functional size measurements it is not only necessary to have a lot of information of the system to be developed,...
This paper presents a review and comparison of the software project cost estimation methods that have emerged with more impact in recent years; Expertise and Machine Learning methods. These methods and models have been selected according to an own criteria focusing onto Analogy estimation models and Case Based Reasoning approaches, assuming that they are widely utilized by researchers and with good...
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