Ask HN: Estimation/planning tools that support confidence intervals?

2 pointsvalenterry2 comments

Any good estimation tools or project planning tools that allow me to not just define a single number to estimate effort but rather allow more sophisticated ways of estimation such as providing a confidence interval or a mean/derivation combination?

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You can play with Guesstimate, a spreadsheet-like tool handling uncertainty.

Here's an example of estimating the duration of a task (shopping): https://www.getguesstimate.com/models/19512

Exactly what I was looking for, thank you so much!

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