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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help(package = "
packagename
")
1.10.3 讨论
有时你想知道某一个 R 包的内容（函数和数据集）。尤其是对于一个刚下载安装完的新
R 包。因此，在得知 R 添加包名称后，可以使用 help 命令查看该添加包内容和其他
信息。
使用以下 help 函数可以显示 tseries 包（R 基本发布版中的标准包之一）的信息：
help(package = "tseries")
结果首先会给出数据包的简介，然后显示函数和数据集的索引。在 RStudio 中，HTML
格式的帮助页面将在 IDE 的帮助窗口中打开。
有些添加包还包括 vignette
—
一些其他文档，如简介、教程或开发文档。安装添加包
时，它们作为添加包文档的一部分安装在你的计算机上。vignette 显示在添加包的帮助
页面底部。
你可以使用 vignette 函数查看计算机上所有添加包的附加文档列表：
vignette()
在 RStudio 中，这将打开一个新选项卡，列出计算机上安装的每个添加包，包括 vignette
以及名称和说明。
你可以通过在 vignette 命令中指定某一添加包的名称，查看特定添加包的 vignette：
vignette(package = "
packagename
")
每个 vignette 都有一个名称，因此可以通过以下命令进行查看：
vignette("
vignettename
")
1.10.4 另请参阅
对于如何通过帮助命令获得 R 添加包中某一函数的信息，请参阅 1.8 ...
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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.