title: BI Publisher Report NaN value displayed
body: <p>I face some prob which is my field come out with NaN value.
  How can I replace NaN value with 0. </p>
  
  <p>Current 
  Total Unit : <code>&lt;?xdoxslt:get_variable($_XDOCTX,'SWOunits')?&gt;</code></p>
  
  <p>Output : NaN</p>