From: A. W. Dunstan on
Fernando Rodriguez wrote:

>
> Hi,
>
> Sorry for being slightly offtopic, but I'm a bit desperate. :-)
>
> All my guestimates of project duration have been so far ridiculously
> optimistic and I usually err by a factor of 4x or worse.
>
> Is there any way out of this? How can I improve my estimates? Is there ANY
> book or technique worth learning?
>
> Any help would be greatly appreciated.

Try some 'iterative refinement' as well. As the project progresses (and
after it's over) compare your prediction to reality & try to understand why
they don't agree. Apply what you learned the next time around.

--
Al Dunstan, Software Engineer
OptiMetrics, Inc.
3115 Professional Drive
Ann Arbor, MI 48104-5131