r-如何与impress.js一起使用slitify

Question

以下https://twitter.com/ramnath_vaidya/status/274636089715740672slitify应该支持impress.js。但是当我使用时

---
title       : Test
subtitle    : 
author      : 
job         : 
framework   : impressjs  # {io2012, html5slides, shower, dzslides, ...}
highlighter : highlight.js  # {highlight.js, prettify, highlight}
hitheme     : tomorrow      # 
widgets     : []            # {mathjax, quiz, bootstrap}
mode        : selfcontained # {standalone, draft}
---

作为我的Rmd文件的负责人https://raw.github.com/ramnathv/slidify/gh-pages/samples/impressjs/index.Rmd)我在库/框架中得到一个空目录，名为impresjs。

我必须在哪里启用impress.js？在使用它之前，我必须安装impress.js吗？

Answer 1

我必须使用repository的分支"dev"：

install_github("slidify", "ramnathv", ref="dev")
install_github("slidifyLibraries", "ramnathv", ref="dev")