Related LiteratureThe COSMIC method descends from the Constructive Cost Modelestimation model (COCOMO) (Boehm, 1981). COCOMO is an estimation technique which uses the project characteristics and compares this with historical data about software projects with similar characteristics. The COSMIC method uses the main ideas of the COCOMO technique and is the first in its kind to be approved as an official ISO/IEC standard. The difference between COCOMO and COSMIC is that the former uses lines of code as a parameter, the latter replaces this with the functional size method (ISO/IEC, 2007). Significant research in cost modeling techniques started in the late sixties with the extensive SDC study of the 104 attributes of 169 software projects (Nelson, 1967). After this event several different cost estimation techniques started to develop such as SLIM (Putnam & Mye - Study24x7
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The COSMIC method descends from the Constructive Cost Modelestimation model (COCOMO) (Boehm, 1981). COCOMO is an estimation technique which uses the project characteristics and compares this with historical data about software projects with similar characte...

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