Software development effort estimation in academic environments applying a general regression neural network involving size and people factors

Authors:
Cuauhtémoc López-Martín;Arturo Chavoya;M. E. Meda-Campaña
Affiliations:
Department of Information Systems, University of Guadalajara, México;Department of Information Systems, University of Guadalajara, México;Department of Information Systems, University of Guadalajara, México
Venue:
MCPR'11 Proceedings of the Third Mexican conference on Pattern recognition
Year:
2011

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Abstract

In this research a general regression neural network (GRNN) was applied for estimating the development effort in software projects that have been developed in laboratory learning environments. The independent variables of the GRNN were two size measures as well as a developer measure. This GRNN was trained from a dataset of projects developed from the year 2005 to the year 2008 and then this GRNN was validated by estimating the effort of a new dataset integrated by projects developed from the year 2009 o the first months of the year 2010. Accuracy results from the GRNN model were compared with a statistical regression model. Results suggest that a GRNN could be used for estimating the development effort of software projects when two kinds of lines of code as well as the programming language experience of developers are used as independent variables.