August 2004
Intermediate to advanced
656 pages
15h 28m
English
Content preview from Return on Software: Maximizing the Return on Your Software InvestmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Knowledge Drives Estimation Accuracy
The most significant driver of estimation accuracy is, simply, knowledge. The more that's known about the factor being estimated, the more accurate that estimate is likely to be. When an organization has a lot of solid historical data about that factor, fairly accurate estimates can be produced (for example, using estimation by statistical methods as discussed in Chapter 22). Because of this, and the fact that historical data are usually fairly inexpensive to collect, it's a good idea to collect your own historical data for use in future decision analyses. With good historical data, business decisions can be made with a much higher degree of confidence (lower uncertainty).
Most organizations don't have historical ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.