Realistic assessment of software effort estimation models
Boyce Sigweni, Martin Shepperd, Tommaso Turchi · 2016
Context: It is unclear that current approaches to evaluating or comparing competing software cost or effort models give a realistic picture of how they would perform in actual use. Specifically, we're concerned that the usual practice of using all data with some holdout strategy is at variance with the reality of a data set growing as projects complete.