m_dict=param, plot_label=&#39;all events&#39;)</span>
<span class="sd">    &gt;&gt;&gt; param_plot(param_name=&#39;zs&#39;, param_dict=param_detectable, plot_label=&#39;detectable events&#39;)</span>
<span class="sd">    &gt;&gt;&gt; plt.xlabel(&#39;source redshift&#39;)</span>
<span class="sd">    &gt;&gt;&gt; plt.ylabel(&#39;probability density&#39;)</span>
<span class="sd">    &gt;&gt;&gt; plt.title(&#39;source redshift distribution&#39;)</span>
<span class="sd">    &gt;&gt;&gt; plt.grid(alpha=0.5)</span