ass="p">[</span><span class="n">z_diff_min_index</span><span class="p">]</span><span class="o">+</span><span class="mf">0.5</span><span class="o">*</span><span class="n">z1</span><span class="p">[</span><span class="n">z_diff_min_index</span><span class="p">]</span>
    <span class="c1"># the 5 times the best fit point (b) is from statstical analysis</span>
    <span class="n">cutoff</span> <span class="o">=</span> <span class="n">Significance_Cutoff</span><span class="o">+</span><span class="mi">7</span><s