</code></dt>
<dd>&nbsp;</dd>
</dl>
<ul>
<li>consider a faster way of determining this. Perhaps just check if sum &gt; 0?</li>
<li>verbose printing</li>
</ul></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def remove_non_expressed(df: pd.DataFrame, verbose: bool=False):
    &#34;&#34;&#34;
    Identifies and removes genes with mean 0 from the dataframe,
    i.e. non-expressed genes.
    
    Parameters
    ----------
    df : DataFrame
        Ge