在knitr和Rstudio的前几次迭代中，使用automatic numbering were not supported的数字标题。但在newer Rmarkdown it seems they are。罗伯特飞行有一个nice solution我以前用过，但我想知道在新的Rmarkdown中是否有更整洁的方法。有吗？
就我的尝试而言，这是我能得到的。字幕不低于数字，不会自动生成数字。
---
title: "Test for caption"
output:
word_document:
fig_caption: true
---
```{r, fig.cap='oh caption my caption', echo=FALSE}
require(ggplot2)
ggplot(iris, aes(Petal.Width, Petal.Length, color=Species)) + geom_point()
```
会话信息：
R version 3.1.0 (2014-04-10)
Platform: i386-w64-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=English_United Kingdom.1252
[2] LC_CTYPE=English_United Kingdom.1252
[3] LC_MONETARY=English_United Kingdom.1252
[4] LC_NUMERIC=C
[5] LC_TIME=English_United Kingdom.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] markdown_0.7.4 rmarkdown_0.2.46
loaded via a namespace (and not attached):
[1] digest_0.6.4 htmltools_0.2.4 tools_3.1.0