使用rmarkdown/knitr将所有代码保留到最后 [英] Use rmarkdown/knitr to hold all code until the end

问题描述

我希望能够使用knitr/rmarkdown生成一个文档，该文档将所有输出保持在一起，但是将代码保留到最后，理想情况下是作为各种类型的引用脚注(即，每个图形或输出的代码可以可以在脚注中在附录中查找).这可能吗?

I'd like to be able to generate a document using knitr/rmarkdown that keeps all the output together, but leaves the code until the end, ideally as a referenced footnote of sorts (i.e. the code for each figure or output can be looked up in the appendix using a footnote). Is this possible?

推荐答案

如果我正确理解您的意思. 您可以在原始代码块中添加标签，然后使用ref.label属性引用它，并使用eval=FALSE阻止其进一步执行.

If I understand correctly what you mean. You can add a label to your original code chunk and then refer to it using a ref.label property and prevent its further execution with eval=FALSE.

例如:

 # Header
 Bla bla ...
 ````{r plot1,echo=FALSE}
 x = rnorm(100,10,5)
 y = rnorm(100,10,5)
 plot(x,y)
 ````

 # Appendix

 Code chunk:
 ````{r ref.label="plot1",eval=FALSE}
 ```

第一个块被执行(没有回显)并显示一个数字，第二个块仅回显第一个块的源.

The first chunk is executed (without echo) and shows a figure, the second chunk just echoes the first chunk's source.

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