pan>  $ may    : int  0 0 0 0 1 0 0 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ jun    : int  0 0 0 0 0 1 0 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ jul    : int  0 0 0 0 0 0 1 0 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ aug    : int  0 0 0 0 0 0 0 1 0 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ sep    : int  0 0 0 0 0 0 0 0 1 0 ...</span>
<span class="r-out co"><span class="r-pr">#&gt;