title: How to install gdata in R?
body: <p>I am totally new for installing outer tools or libraries into R.
  I want to use gdata tool in R, which is outer tools so needed to install.</p>
  
  <p>From this page, 
  <a href="http://cran.r-project.org/web/packages/gdata/index.html" rel="nofollow">http://cran.r-project.org/web/packages/gdata/index.html</a>
  I downloaded  windows binaries(because my PC is 64bit windows) 
  1)but I don't know how to install this in my PC after this.
  inside gdata folder there are so many files but none of these are installation file! What should I do??? Nowhere can I find installation guide...
  2)And how to call functions inside this file on R.
  Could you please help me? Many Thanks!</p>