  fit(dataframe, treatment, score, exacts=[], alias = &#39;matching_index&#39;):</span>
<span class="sd">        Apply the Caliper Matching method to the input dataframe.</span>

<span class="sd">    Example</span>
<span class="sd">    -------</span>
<span class="sd">    .. code-block:: python</span>

<span class="sd">        import fast_causal_inference</span>
<span class="sd">        import fast_causal_inference.dataframe.match as Match</span>
<span class="sd">        df = fast_causal_inference.readClickH