ng> and return <strong>numeric(s)</strong></p>
<p>vapc_lgl: Iterate over input <strong>columns</strong> and return <strong>logical(s)</strong></p>
<p>vapc_int: Iterate over input <strong>columns</strong> and return <strong>integer(s)</strong></p>
    
    </div>

    <pre class="usage"><span class='fu'>vapc_chr</span>(<span class='no'>.data</span>, <span class='no'>.f</span>, <span class='no'>...</span>)

<span class='fu'>vapc_dbl</span>(<span class='no'>.data</span>, <span class='no'>.f</span>, <span class