n>
<span class="sd">        to approximate probability mass.</span>

<span class="sd">        Parameters</span>
<span class="sd">        ----------</span>
<span class="sd">        array : array-like</span>
<span class="sd">            data array with X, Y, Z in rows and observations in columns</span>

<span class="sd">        xyz : array of ints</span>
<span class="sd">            XYZ identifier array of shape (dim,).</span>

<span class="sd">        Returns</span>
<span class="sd">        -------</span>
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