to the beginning of the next. This function assumes that one has
arranged the dates and grouped appropriately outside of the function. The length of any gap will be appended 
to the row after the gap has occurred.</p>
    </div>

    <pre class="usage"><span class='fu'>identify_gaps</span><span class='op'>(</span><span class='va'>.data</span><span class='op'>)</span></pre>

    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <