Examples of umontreal.iro.lecuyer.stat.Tally.standardDeviation()

umontreal.iro.lecuyer.stat.Tally.standardDeviation()
Returns the sample standard deviation of the observations since the last initialization. This returns Double.NaN if the tally contains less than two observations. @return the standard deviation of the observations


    str.append (PrintfFormat.NEWLINE + "   Wait    ");
    str.append (12, 3, 2, sojWait.min()).append (' ');
    str.append (10, 3, 2, sojWait.max()).append (' ');
    str.append (11, 3, 2, sojWait.average()).append (' ');
    str.append (10, 3, 2, sojWait.standardDeviation());
    str.append (10, sojWait.numberObs());


    return str.toString();
   }

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    str.append (PrintfFormat.NEWLINE + "   Service ");
    str.append (12, 3, 2, sojServ.min()).append (' ');  
    str.append (10, 3, 2, sojServ.max()).append (' ');
    str.append (11, 3, 2, sojServ.average()).append (' ');
    str.append (10, 3, 2, sojServ.standardDeviation());
    str.append (10, sojServ.numberObs());
    
    str.append (PrintfFormat.NEWLINE + "   Sojourn ");
    str.append (12, 3, 2, statSojourn.min()).append (' ');
    str.append (10, 3, 2, statSojourn.max()).append (' ');

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      for (int i = 0; i < std.length; i++) {
         Tally tally = get (i);
         if (tally == null || tally.numberObs() < 2)
            std[i] = Double.NaN;
         else
            std[i] = tally.standardDeviation();
      }
   }




   /**

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