June 2020
Beginner to intermediate
522 pages
9h 6m
Chinese
Content preview from R 语言经典实例（原书第 2 版）
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第
16
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RStudio IDE 包含许多用于创建和编辑 R Markdown 文档的有用功能。虽然我们将在以下
方法中使用这些功能，但 R Markdown 并不依赖于 RStudio。可以使用你喜欢的文本编
辑器编辑纯文本 R Markdown 文件，然后使用 R 的命令行界面渲染文档。但是，RStudio
工具非常有用，我们将对它们进行广泛的说明。
16.1 创建新文档
16.1.1 问题
需要创建一个新的 Markdown 文档来介绍数据分析过程。
16.1.2 解决方案
创建新的 Markdown 文档的最简单方法是使用 RStudio IDE 的菜单选项中的“ File”
→
“ New File”
→
“ R Markdown …”菜单选项（参见图 16-1 ）。
图 16-1：创建新的 R Markdown 文档
选择“ R Markdown …”将引导你进入一个新建 R Markdown 的对话框，可以在其中选
择要创建的输出文档类型（参见图 16-2）。默认选项是 HTML，如果想在线或通过电子
邮件发布作品，或者还没有决定如何输出最终文档，那么这是一个不错的选择。稍后更
改为其他格式通常只需在文档中链接一行文本或在 IDE 中单击几下。
进行选择并单击 OK 后，将获得一个带有一些元数据和示例文本的 R Markdown 模板
（参见图 16-3 ）。
16.1.3 讨论
R Markdown 文档是纯文本文件。刚刚概述的快捷方式是获取用于新建 R Markdown 文
本文档的模板的最快方法。获得模板后 ...
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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.