Merge branch 'master' of https://github.com/johnmyleswhite/ML_for_Hac…

…kers

README.md

@@ -5,6 +5,11 @@ This repository contains all of the code examples for [Machine Learning for Hack
 
 ## Getting started ##
 
+The code in this book relies on several R libraries.  Two libraries, `RCurl` and `XML` require additional software to be installed:
+
+ - [http://curl.haxx.se/](curl) (for `RCurl`)
+ - [http://xmlsoft.org/](libxml2-dev) (for `XML`)
+
 To make sure you have all of the requite libraries run the `package_installer.R` script. In your R console type the following:
 
 	> source("package_installer.R")
@@ -13,6 +18,8 @@ When running the installer inside R you will be asked where to save the library
 
 	$ sudo RScript package_installer.R
 
+
+
 ## Authors ##
 
  - Drew Conway, Department of Politics, New York University [http://drewconway.com/](http://drewconway.com/)