R 注释
注释
注释可以用来解释 R 代码，并使其更易于阅读。它还可以用于在测试备选代码时阻止执行。
注释以 # 开头。在执行代码时，R 会忽略以 # 开头的任何内容。
此示例在代码行之前使用注释
此示例在代码行末尾使用注释
注释不一定是解释代码的文本，它也可以用于阻止 R 执行代码
多行注释
与其他编程语言（如 Java）不同，R 中没有多行注释的语法。但是，我们可以为每一行插入一个 # 来创建多行注释
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