Blog FPA
Software project effort estimation – the agile way
Estimating the effort needed to complete a certain software project is incredibly difficult. At the same time it is important to have some indication of development effort in order to estimate cost and decide whether to do the project. We shared four estimation methods with our students in our software project management course, and have…
Sieuwert van Otterloo
Four methods for software effort estimation
Understanding the size and effort of a software project early on is a difficult problem. Several different methods exist, but no method is perfect. In this article we present an overview of the four methods most mentioned in literature: 1) expert opinion-based, 2) top-down estimation, 3) bottom-up estimation and 4) estimation using a parametric or algorithmic model.
Joost Schalken-Pinkster
Pros and Cons of Backfiring function points
For estimating the size of IT systems, Backfiring is a faster, cheaper but less accurate method than traditional function point analysis. Backfiring is a useful method for estimating existing systems but less suitable for new software development.
Sieuwert van Otterloo