="p">,</span> <span class="mi">12</span><span class="p">),</span> <span class="n">freq</span><span class="o">=</span><span class="s2">&quot;15min&quot;</span><span class="p">,</span> <span class="n">periods</span><span class="o">=</span><span class="mi">10</span><span class="p">)</span>
    <span class="n">vals0</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span> <span class=