August 2018
Intermediate to advanced
227 pages
4h 16m
Chinese
Content preview from 高效R语言编程
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77
第
4
章
高效工作流
高效编程是准时生成正确结果的重要技能。然而，编码仅仅是涉及
R
编程项
目获得正确结果所需的众多技能中的一项。除非你的项目是编写通用
R
代码
（例如，除非你是
R
核心团队成员），否则项目很可能超出
R
语言的范围。
它必须与一系列的其他因素协调工作。基于此，我们将实践、习惯、提升生
产力的系统环境定义成工作流
注
1
。
从某种意义上来说，工作流与个人偏好有
关。每个人的想法不同，所以大多数恰当的工作流随人而异、并且因项目的
不同而不同。项目管理实践也随项目的规模和类型而变。工作流是个大话题，
但可归纳成
5
条顶级秘籍。
前提条件
本章重点关注工作流。对于项目计划和管理，我们将使用
DiagrammeR
包。
对项目报告，我们着重介绍
R Markdown
与
knitr
，该软件捆绑在
RStudio
软
件中（只要需要也可独立安装）。我们也建议关注其他值得研究的包，但并
非本章所必需。
library("DiagrammeR")
高效工作流的
5
条高级技巧
1.
编码前要有清晰头脑，或许你可以准备好笔和纸，以便保证你牢记自己的
注
1
：
牛津字典定义的工作流是类似的，但更具工业特点：“一件工作从启动到结束所经历的
产业上的、管理的以及其他工艺流程的流程。”
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and much more.
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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.