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Discussion on: Σ(Reasonable Requirements) != Reasonable System

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Nathan Kallman

So what did I do?

I added another rule: Any changes to timers recorded before the last time the estimate was manually set have no effect.

This rule prefers the judgement of humans over the machine and prefers to keep estimates low rather than "unexpectedly" grow. Other rules are possible though.

So for this example the estimate will remain at 2 hours in the last row. The system has assumed Pete has the best knowledge of the future and has framed that knowledge in a statement irrespective of what corrections to the past need to be made (rather than a statement inclusive of potential corrections of history).