R语言文档快捷方式?()函数-中英文对照帮助文档
By MicroRbt Martinez PhD
R语言函数名：?()
R语言函数功能：文档快捷方式
来自资源库：基础库（R语言自带）
?()函数所属R语言包：所在R包具体名称、包功能的中英文双语描述见正文后面'--所在R语言包信息--'部分。
描述-----Description-----
These functions provide access to documentation. Documentation on a topic with name name (typically, an R object or a data set) can be displayed by either help("name") or ?name.
这些功能提供对文档的访问。 help("name")或?name可以显示名称为name（通常为R对象或数据集）的主题的文档。
使用方法-----Usage-----
?topic
type?topic
参数-----Arguments-----
参数topic介绍: Usually, a name or character string specifying the topic for which help is sought.
通常，名称或字符串指定要寻求帮助的主题。
Alternatively, a function call to ask for documentation on a corresponding S4 method: see the section on S4 method documentation. The calls <var>pkg</var>::<var>topic</var> and <var>pkg</var>:::<var>topic</var> are treated specially, and look for help on topic in package <var>pkg</var>.
另外，也可以通过函数调用来索取有关S4方法文档的信息：请参阅S4方法文档的内容。调用<var>pkg</var>::<var>topic</var>和<var>pkg</var>:::<var>topic</var>受到特殊处理，并在程序包<var>pkg</var>中的topic上寻求帮助。
参数type介绍: the special type of documentation to use for this topic; for example, if the type is class, documentation is provided for the class with name topic. See the Section S4 Method Documentation for the uses of type to get help on formal methods, including methods?<var>function</var> and method?<var>call</var>.
用于此主题的特殊类型的文档；例如，如果类型为class，则为名称为topic的类提供文档。有关使用type的用法，请参见S4 Method Documentationc部分以获取有关正式方法的帮助，包括methods?<var>function</var>和method?<var>call</var>。
详情-----Details-----
This is a shortcut to help and uses its default type of help.
这是help的快捷方式，并使用其默认的帮助类型。
Some topics need to be quoted (by backticks) or given as a character string. There include those which cannot syntactically
-----未完，待续-----，↓↓↓展开剩余72%↓↓↓
| 
发表于 2020-8-21 08:20:08
