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<h1>Test the Embeddable R Library</h1>

This a collection of tests for verifying that using R as a library
within another application (i.e. embedded R) works for this
installation. This is only relevant if one has configured R with the
<code>--enable-R-shlib </code> argument for the top-level
<code>configure</code>.  

<p>

More information can be found at the 
<a href="http://developer.r-project.org/embedded.html">R Developer's site</a>

<h3>Test Applications</h3>
<dl>
  <dt>
  <li> <a href="Rtest.c">Rtest</a>
  <dd>
      Just prints the vector <code>c(1, 2, ..., 10)</code>
  <dt>
  <li> <a href="Rplot.c">Rplot</a>
  <dd> Creates a basic plot of  <code>c(1,2,..., 10)</code>
        in the default device and then quits immediately.
  <dt>
  <li> <a href="Rpostscript.c">Rpostscript</a>
  <dd>
        Produces a plot of <code>1:100</code> using the Postscript
       graphics device. This creates a file named <code>Rplots.ps</code>

  <dt>
  <li><a href="Rerror.c"> Rerror</a>
  <dd> Reads a function definition from an external file (<a
      href="code.R"><code>code.R</code></a>) and calls it
        which in turn generates an "error" via <code>stop()</code>.
      The local error handler defined for this application
      catches this error and recovers.

  <dt>
  <li> <a href="RNamedCall.c">RNamedCall</a>
  <dd> Calls a function with some named arguments.

  <dt>
  <li> <a href="RParseEval.c">RParseEval</a>
  <dd>  Parses a string and evaluates the resulting expression(s).

     
  <dt>
  <li> <a href="Rpackage.c">Rpackage</a>
  <dd> Invokes <code>example()</code>
       for functions in ctest and mva
        to ensure that packages can be loaded
      into R in an embedded context. These
      packages must be linked against libR.so.

  <dt>
  <li> <a href="embeddedRCall.c">embeddedRCall.c</a>
  <dd> Collection of routines used in the different
      tests.
  <dt>
  <li> Other Tests
  <dd>
      This has been tested in many  other situations
       including the some of the Omegahat packages:
<ul>
  <li> As a procedural language within <a href="http://www.postgresql.org">Postsgres</a>.
       See <a href="http://www.omegahat.org/DBMS/Postgres/R/RPostgres.pdf">R in Postgres</a>
  <li> <a href="http://www.omegahat.org/RSJava">SJava</a>
  <li> <a href="http://www.omegahat.org/SNetscape">SNetscape</a>
  <li> <a href="http://www.omegahat.org/SXalan">SXalan</a>
  <li> <a href="http://www.omegahat.org/SXalan">SXalan</a>
  <li> <a href="http://www.omegahat.org/RSPython">RSPython</a>
  <li> <a href="http://www.omegahat.org/RSPerl">RSPerl</a>      
</ul>
 These can be used as example code for embedding R within other applications.
</dl>

<hr>
<address></address>
<a href="http://cm.bell-labs.com/stat/duncan">Duncan Temple Lang</a>
<a href=mailto:duncan@research.bell-labs.com>&lt;duncan@research.bell-labs.com&gt;</a></address>
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Last modified: Sat Jan 12 2008
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