Rand Monograph on Software Sizing

The Rand corporation has posted its report on software sizing

I especially enjoyed the paragraphs on risks in size estimation…

They identify three types of uncertainty

1. Specification or design uncertainty
2. Development method uncertainty
3. Estimation process uncertainty

It is encouraging to see people referring to estimation process uncertainty as a risk.

 As we view estimate maturity in many organizations we sometimes find that estimation is not considered important… until the project is late or over budget.

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