如何使用功能点估算任务？
使用功能点进行估算的步骤是什么？
有某种快速参考指南吗？
What are the steps to estimating using function points?
Is there a quick-reference guide of some sort out there?
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几年前，我参加了一次关于功能点分析的会议。 它也有很多。 您可以在线查看免费功能点培训手册，功能点基础，或者我怀疑你可以在电脑商店买到一本关于它的书。
您还可以查看国际功能点用户组，看看他们是否有一些资源或适合您的本地会议。
I took a conference session on Function Point Analysis a few years back. There is a lot too it. You can check out the Free Function Point Training Manual online, the Fundamentals of Function Points, or I suspect you can get a book on it at a computer store.
You might also check out the International Function Point Users Group and see if they have some resources or a local meeting for you.
您确实需要接受一些相关培训。 请与 IFPUG 核实。 如果自学的话，你会在不知不觉中养成一些破坏性的坏习惯。 让经验丰富的 FP 分析师审查您的一些早期尝试也很有帮助。
这是一种看起来极其复杂的事情，直到你“明白”为止，然后很快就能做到。 它也极大地改进了我的需求分析。 我在计数时经常发现矛盾和差距。
它也不限于 BDUF Waterfall 项目。 在承包敏捷方法项目时，我花了三年时间使用 FP 和 Planning Poker 作为相互交叉检查。
我在 2002 年至 2005 年期间获得了 IFPUG 认证，并且仍在使用 FP 分析。 我看到它被滥用了很多，我认为这就是它名声如此不好的原因。
You really need to get some training on it. Check with IFPUG. You will unknowingly pick up some destructive bad habits if self-taught. It also helps to have an experienced FP analyst review some of your early attempts.
It's the kind of thing that appears overwhelmingly complex until you "get it" and then it's fairly quick to do. It improved my requirements analysis a lot too. I often spot contradictions and gaps when doing a count.
It isn't limited to BDUF Waterfall projects either. I spent three years using FP and Planning Poker as cross-checks on one another when contracting agile methods projects.
I was IFPUG-certified from 2002-2005 and am still using FP analysis. I've seen it misused a lot, and I think that's why it has such a bad reputation.
我建议您看一下 COSMIC 功能点。 https://cosmic-sizing.org。 COSMIC 功能点也是衡量软件规模的 ISO 标准。 它们是对 IFPUG 的进化改进。
您可以通过对进入、退出、读取和写入进行计数来快速估计大小。
与IFPUG手册相比，学习COSMIC要容易得多，下面的免费书籍就是你所需要的，一天就可以读完。
推荐阅读：https://cosmic-sizing.org/publications/measurement-guide/
I recommend you take a look at COSMIC Function points. https://cosmic-sizing.org. COSMIC Function points are also an ISO standard for measuring software size. They are an evolved improvement over IFPUG.
You can quickly estimate size by counting the entries, exits, reads and writes.
Compared with the IFPUG manual, learning COSMIC is much easier, the free book below is all you need, and you can read it in a day.
Recommended reading: https://cosmic-sizing.org/publications/measurement-guide/