A validation of the component-based method for software sizeestimation
Dolado, J.J.
Software Engineering, IEEE Transactions on
Volume 26, Issue 10, Oct 2000 Page(s):1006 - 1021
Digital Object Identifier 10.1109/32.879821
Summary:Estimation of software size is a crucial activity among the tasks
of software management. Work planning and subsequent estimations of the
effort required are made based on the estimate of the size of the
software product. Software size can be measured in several ways: lines
of code (LOC) is a common measure and is usually one of the independent
variables in equations for estimating several methods for estimating the
final LOC count of a software system in the early stages. We report the
results of the validation of the component-based method (initially
proposed by Verner and Tate, 1988) for software sizing. This was done
through the analysis of 46 projects involving more than 100,000 LOC of a
fourth-generation language. We present several conclusions concerning
the predictive capabilities of the method. We observed that the
component-based method behaves reasonably, although not as well as
expected for “global” methods such as Mark II function
points for software size prediction. The main factor observed that
affects the performance is the type of component
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