ighlighter -->
<style type="text/css">
   pre .operator,
   pre .paren {
     color: rgb(104, 118, 135)
   }

   pre .literal {
     color: #990073
   }

   pre .number {
     color: #099;
   }

   pre .comment {
     color: #998;
     font-style: italic
   }

   pre .keyword {
     color: #900;
     font-weight: bold
   }

   pre .identifier {
     color: rgb(0, 0, 0);
   }

   pre .string {
     color: #d14;
   }
</style>

<!-- R syntax highlighter -->
<script type="text/javascript">
var hljs=new function