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Comments (6)

XiangyunHuang avatar XiangyunHuang commented on July 26, 2024

@pzhaonet 我这里都可以运行的

> library(formatR)
> usage(boxplot,'default')
boxplot(x, ...)
> usage(boxplot.default)
## Default S3 method:
boxplot(x, ..., range = 1.5, width = NULL, varwidth = FALSE, notch = FALSE,
    outline = TRUE, names, plot = TRUE, border = par("fg"), col = NULL, log = "",
    pars = list(boxwex = 0.8, staplewex = 0.5, outwex = 0.5), ann = !add,
    horizontal = FALSE, add = FALSE, at = NULL)

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pzhaonet avatar pzhaonet commented on July 26, 2024

我不是说它不可以运行，而是说运行的结果跟预期不一致。

例如原稿里usage(boxplot,'default')，返回的预期结果不是 boxplot(x, ...)，而是 Default S3 method 下面的文本。你瞧瞧原稿的 pdf 就知道我的意思了。我看到第三章也有这个问题。

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XiangyunHuang avatar XiangyunHuang commented on July 26, 2024

这应该属于函数功能发生变动，看 @yihui 怎么处理吧

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pzhaonet avatar pzhaonet commented on July 26, 2024

是的。不过，原稿这部分并不是想介绍 usage 函数的用法，而是为了列出其返回结果，以便后续段落介绍各个参数。如果 usage 函数功能变了，那么手动从帮助文档里拷贝 usage 字段就行了。

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yihui avatar yihui commented on July 26, 2024

boxplot 的 formula 方法没有导出，所以要用三冒号：

formatR::usage(graphics:::boxplot.formula)

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pzhaonet avatar pzhaonet commented on July 26, 2024

原来如此。谢谢！

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