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<html>
<head>
<title>R: Search Engine</title>
<link rel="stylesheet" type="text/css" href="../R.css">

<script language="JavaScript">
<!-- 

// searching is disabled until the applet is initialized
enableSearch = false;

function searchInIndex (searchTerm, searchDesc,
                        searchKeywords, searchAliases)
{
  // if the applet is not initialized, ignore search results
  if (enableSearch == false) {
    return "";
  }
  line =        '<html><head>\n';
  line = line + '<title>Search Results</title>\n';
  line = line + '<link rel=stylesheet type="text/css" href="../R.css">';
  line = line + '\n';

  line = line + '<body>\n';

  line = line + '<h1>Search Results</h1>\n';

  // call the applet code!
  line = line + document.SearchEngine.search (searchTerm,
                                        searchDesc=="1",
                                        searchKeywords=="1",
                                        searchAliases=="1");

  line = line + '</body>\n';

  document.write (line);

  // this makes it all work as expected, stops loading and after following
  // a link the search results will be displayed again.
  document.close ();
  return "";
}
//-->

</script>
</head>

<body onLoad='enableSearch=true;'>

<h1>Search Engine <img class=toplogo src="../logo.jpg"></h1>

<hr width="100%">

<h2>Search</h2>

<p>
You can search for keywords, function and data names and text in help
page titles.

<p>
<b>Usage:</b> Enter a string in the text field below and hit
<code>RETURN</code>.

<form name="f"
     onSubmit="searchInIndex (document.f.SEARCHTERM.value,
                              document.f.TITLES.checked,
                              document.f.KEYWORDS.checked,
                              document.f.ALIASES.checked);
                              return false;">
<INPUT TYPE=TEXT NAME="SEARCHTERM" SIZE=20 MAXLENGTH=256 VALUE="">
<INPUT NAME="TITLES" TYPE=CHECKBOX CHECKED VALUE="1"> Help page titles
<INPUT NAME="KEYWORDS" TYPE=CHECKBOX CHECKED VALUE="1"> Keywords
<INPUT NAME="ALIASES" TYPE=CHECKBOX CHECKED VALUE="1"> Object names<br>
<INPUT VALUE="Search" TYPE=SUBMIT>
<INPUT VALUE="Reset" TYPE=RESET>
</form>

<br>

<p> For search to work, you need Java installed and both Java and
JavaScript enabled in your browser.<br> On the Mozilla/Netscape family
of browsers you should see `Applet SearchEngine started' at the left
edge of the status bar.  For help consult the
<a href="../../manual/R-admin.html#Enabling%20search%20in%20HTML%20help">R Installation and Administration</a> manual.
</p>

<p> Even if this search does not work on your system, you can always use
<samp>help.search</samp> at the R prompt.
</p>

<hr width="100%">

<p>
<h2>Keywords</h2>

<p>
<h3>Keywords by Topic</h3>