public Measure setRateAggregation(String value) { 
      if (Utilities.noString(value))
        this.rateAggregation = null;
      else {
        if (this.rateAggregation == null)
          this.rateAggregation = new StringType();
        this.rateAggregation.setValue(value);
      }
      return this;
    }
public Measure setRateAggregation ( String value ) { if ( Utilities . noString ( value ) ) this . rateAggregation = null ; else { if ( this . rateAggregation == null ) this . rateAggregation = new StringType ( ) ; this . rateAggregation . setValue ( value ) ; } return this ; }
@param value Describes how to combine the information calculated, based on logic in each of several populations, into one summarized result.