</p>
<ul>
<li><p>Start R on commandline with sfCluster and preferred options, for example number of cpus. Leave the three arguments <code>parallel</code>, <code>clustertype</code> and <code>nodes</code> unchanged.</p></li>
<li><p>Use any other cluster solution supported by <span class="pkg">snowfall</span>, i.e. LAM/MPI, socket, PVM, NWS (set argument <code>clustertype</code>). Argument <code>parallel</code> has to be set to TRUE and number of cpus can be chosen by argument <code>nodes</code>)</p></li>
<li>