e_data.html">prepare_data</a></span><span class="op">(</span>data <span class="op">=</span> <span class="va">fakedata</span>,</span></span>
<span class="r-in"><span>                            u <span class="op">=</span> <span class="st">"u"</span>,</span></span>
<span class="r-in"><span>                            s_out <span class="op">=</span> <span class="st">"s"</span>,</span></span>
<span class="r-in"><span>                            ev <span class="op">=</span> <span class="st">"ev"</span>,</span></