<code>features</code> must be binary, i.e. contain only 0 
and 1 values.</p>
<p>The function was designed to be as fast as possible subroutine of 
<code><a href='calc_criterion.html'>calc_criterion</a></code> and might be cumbersome if directly called by a user.</p>
    <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>

    <div class='dont-index'><p><code><a href='test_features.html'>test_features</a></code>.</p>
<p><code><a href='https://rdrr.io/r/stats/chisq.test.ht