使用KnitR以编程方式在R中创建Markdown表

问题描述：

我才刚刚开始了解KnitR以及在生成R文档和报告中使用Markdown.对于我每天与工作有关的许多日常报告来说，这看起来是完美的.但是，我没有看到的一件事是使用Markdown格式(类似于xtable，但使用Markdown而不是LaTeX或HTML)打印数据框和表格的一种简便方法.我知道我可以嵌入xtable的HTML输出，但是我想知道是否有任何基于Markdown的解决方案?

I am just starting to learn about KnitR and the use of Markdown in generating R documents and reports. This looks to be perfect for a lot of the day to day reporting that I have to do with my job. However, one thing that I'm not seeing is an easy way to print data frames and tables using Markdown formatting (sort of like xtable, but with Markdown instead of LaTeX or HTML). I know that I can just embed the HTML output from xtable, but I was wondering if there were any Markdown-based solutions?

答

现在knitr(自1.3版开始)软件包包括用于创建表的kable函数:

Now knitr (since version 1.3) package include the kable function for a creation tables:

> library(knitr)
> kable(head(iris[,1:3]), format = "markdown")
|  Sepal.Length|  Sepal.Width|  Petal.Length|
|-------------:|------------:|-------------:|
|           5,1|          3,5|           1,4|
|           4,9|          3,0|           1,4|
|           4,7|          3,2|           1,3|
|           4,6|          3,1|           1,5|
|           5,0|          3,6|           1,4|
|           5,4|          3,9|           1,7|

已更新:如果您在文档中收到原始的降价优惠，请尝试设置results = "asis"块选项.

UPDATED: if you get raw markdown in a document try setup results = "asis" chunk option.

使用KnitR以编程方式在R中创建Markdown表

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