lf, df_)</span>
</code></dt>
<dd>
<div class="desc"><p>Synchronize columns between positive and negative cases.</p>
<p>Parameters:
df_ (DataFrame): The DataFrame to process.</p>
<p>Returns:
DataFrame: A DataFrame with synchronized columns.</p></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def synccols(self, df_):
    &#34;&#34;&#34;
    Synchronize columns between positive and negative cases.

    Parameters:
    df_ (DataFrame): The DataFrame 