title: r error on installing colorspace for ggplot2
body: <p>I am an r newbie and would appreciate some help installing ggplot2. I am using RStudio Version 0.98.1102.  Please see error below.  </p>
  
  <pre><code>install.packages("ggplot2")
  </code></pre>
  
  <p>runs fine</p>
  
  <pre><code>library("ggplot2")
  </code></pre>
  
  <blockquote>
    <p>Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck =
    vI[[i]]) :  there is no package called ‘colorspace’ Error: package or
    namespace load failed for ‘ggplot2’</p>
  </blockquote>
  
  <pre><code>install.packages("colorspace")
  </code></pre>
  
  <blockquote>
    <p>Installing package into ‘C:/Users/Jessica/Documents/R/win-library/3.1’
    (as ‘lib’ is unspecified) There is a binary version available (and
    will be installed) but the source version is later: binary source
    colorspace 1.2-4 1.2-5 trying URL
    '...//cran.rstudio.com/bin/windows/contrib/3.1/colorspace_1.2-4.zip'
    Warning in install.packages : cannot open: HTTP status was '404 Not
    Found' Error in download.file(url, destfile, method, mode = "wb", ...)
    :  cannot open URL
    '...://cran.rstudio.com/bin/windows/contrib/3.1/colorspace_1.2-4.zip'
    Warning in install.packages : download of package ‘colorspace’ failed</p>
  </blockquote>