n></div><div class='input'><span class='fu'>colSums</span>(<span class='no'>od_agg</span>[<span class='fl'>3</span>:<span class='fl'>9</span>]) <span class='kw'>==</span> <span class='fu'>colSums</span>(<span class='no'>flow</span>[<span class='fl'>3</span>:<span class='fl'>9</span>])</div><div class='output co'>#&gt;                                  All          Work.mainly.at.or.from.home 
#&gt;                                 TRUE                                 TRUE 
#&gt; Underground..metro..light.rail