| ▲ | xn 4 hours ago | |
Is it going to take more than two hours? Is it going to take more than two days? Is it going to take more than two weeks? Is it going to take more than two months? Is it going to take more than two years? If you can answer these questions, you can estimate using a confidence interval. If the estimate is too wide, break it down into smaller chunks, and re-estimate. If you can't break it down further, decide whether it's worth spending time to gather information needed to narrow the estimate or break it down. If not, scrap the project. | ||
| ▲ | dchuk 4 hours ago | parent | next [-] | |
I prefer 1 hour/1 day/etc but yes, this is the only method that I’ve found to work. Be very clear what result you’re trying to produce, spec out the idea in detail, break down the spec into logical steps, use orders of magnitude to break down each step. There’s your estimate. If you can’t break it down enough to get into the 1 day/1 week range per step, you don’t actually have a plan and can’t produce a realistic estimate | ||
| ▲ | swat535 2 hours ago | parent | prev [-] | |
I like this approach, it's more accurate than T-shirt sizing. | ||