pan class='op'>&lt;-</span> <span class='va'>purpose</span><span class='op'>$</span><span class='va'>`up-left left-up`</span><span class='op'>)</span>
</div><div class='output co'>#&gt;                            X2      X3     X4     X5    X6     X7
#&gt; 1                        &lt;NA&gt;    &lt;NA&gt; Female   &lt;NA&gt;  Male   &lt;NA&gt;
#&gt; 2                        &lt;NA&gt;    &lt;NA&gt;  0 - 6 7 - 10 0 - 6 7 - 10
#&gt; 3           Bachelor's degree 15 - 24   7000  27000  &lt;NA&gt;  13000
#&gt; 