 Note, if used with a data set that has multiple
    observations on the id-time unit, the function automatically aggregates
    this information using the mean.</p>
    </div>

    <pre class="usage"><span class='fu'>overview_crosstab</span><span class='op'>(</span><span class='va'>dat</span>, <span class='va'>cond1</span>, <span class='va'>cond2</span>, <span class='va'>threshold1</span>, <span class='va'>threshold2</span>, <span class='va'>id</span>, <span class='va'>time</span><span class='op'>)</span><