estimation

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Knowledge, Risks and Guarantees

Knowledge, Risks, and Guarantees One senior manager in an organization trying to use agile told me about his problems, “We still need to know when the project will be done. We can’t afford the risk of missing the deadline. When we spent all that time on requirements, the team knew what they were doing. We

MPD, project management

The Case for and Against Estimates, Part 5

If you’ve been following the conversation, I discussed in Part 1 how I like agile roadmaps and gross estimation and/or targets for projects and programs. In Part 2, I discussed when estimates might not be useful. In Part 3, I discussed how estimates can be useful. In Part 4, I discussed #noestimates.  Let me summarize

MPD, project management

The Case for and Against Estimates, Part 4

When we think about the discussion about estimates and #noestimates, I have one big question: Where do you want to spend your time? In projects, we need to decide where to spend our time. In agile and lean projects, we limit the work in progress. We prefer to spend our time delivering, not estimating. That’s

MPD, project management

The Case for and Against Estimates, Part 3

In Part 1, I discussed order-of-magnitude estimates and targets. In part 2, I said how estimates can be misused. In this part, I’ll discuss when estimation is useful. Here are several possibilities: How big is this problem that we are trying to solve? Where are the risks in this problem? Is there something we can

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