3
votes
2answers
312 views

Can I trust the Basic schedule equation?

I've been reading Steve McConnell's demystifying the black art of estimating book, and he gives an equation for estimating nominal schedule based on Person-months of effort: ScheduleInMonths = 3.0 x ...
28
votes
15answers
3k views

Why is software schedule estimation so hard? [duplicate]

Possible Duplicate: Why are software schedules so hard to define? I often need to explain to senior management why software estimation is so hard, and why our preliminary estimates are ...