Estimating the Unknown

As you’ve already seen, there’s always the possibility of having items that you don’t know how to estimate. Some of these are difficult because they’re too large, and you’ve already looked at decomposition as a means to make them more amenable to estimation.

Sometimes, though, you don’t have reasonable historical data for comparison. We can still compare the parts with each other, but that gives us an ungrounded estimate. How do you turn that into something you can share with others?

Calibrating to Unknown Context

Perhaps the work is relatively well-known, but the conditions for doing it are not. You might have a new team that’s not used to working with one another. Or a team that’s not used to this type of work, or for ...

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