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Return on Software: Maximizing the Return on Your Software Investment
book

Return on Software: Maximizing the Return on Your Software Investment

by Steve Tockey
August 2004
Intermediate to advanced
656 pages
15h 28m
English
Addison-Wesley Professional
Content preview from Return on Software: Maximizing the Return on Your Software Investment

Bottom-Up Estimation

Bottom-up estimation is a fairly popular approach and is known by many different names including module build-up, by-engineering procedures, top-down, decomposition, and several others. Developing cash-flow streams using a work breakdown structure (WBS), as described in Chapter 3 and Appendix A, is an application of this estimation technique.

Let's step back in time at the library automation company, to when the first RFP was received. Suppose that the CEO didn't quite trust the expert judgment estimate and wanted to have an estimate that she could have more confidence in. In this case, it could be worthwhile to break the proposed system down into the individual components and then sum up estimates of the costs of those components. ...

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Publisher Resources

ISBN: 0321228758Purchase book