is</span><span class="p">(</span><span class="n">_kernel_spectrum</span><span class="p">,</span> <span class="n">axis</span><span class="o">=-</span><span class="mi">1</span><span class="p">,</span> <span class="n">arr</span><span class="o">=</span><span class="n">intensity_data</span><span class="p">,</span> <span class="n">method</span><span class="o">=</span><span class="n">kernel_type</span><span class="p">,</span> <span class="n">kernel_size</span><span class="o">=</span><span class="n">kernel_size</sp