an>
  dat <span class='op'>=</span> <span class='va'>toydata</span>,
  cond1 <span class='op'>=</span> <span class='va'>gdp</span>,
  cond2 <span class='op'>=</span> <span class='va'>population</span>,
  threshold1 <span class='op'>=</span> <span class='fl'>25000</span>,
  threshold2 <span class='op'>=</span> <span class='fl'>27000</span>,
  id <span class='op'>=</span> <span class='va'>ccode</span>,
  time <span class='op'>=</span> <span class='va'>year</span>
<span class='op'>)</span>
</div><div class='ou