lass="kw"><a href="http://www.rdocumentation.org/packages/ggplot2/topics/geom_path">geom_line</a></span>() <span class="op">+</span></a>
<a class="sourceLine" id="cb3-3" data-line-number="3"><span class="st">  </span><span class="kw"><a href="http://www.rdocumentation.org/packages/ggplot2/topics/facet_wrap">facet_wrap</a></span>(<span class="op">~</span>ID, <span class="dt">scales=</span> <span class="st">"free"</span>)</a></code></pre></div>
<p><img src="multiplot_files/figure-html/unnamed-chunk-3-1.png" w