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          (static) AVERAGE :string
          
        
    
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        Average the values
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) COUNT :string
          
        
    
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        Count the values
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) CUSTOM :string
          
        
    
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        Specify a custom callback function to do the aggregation
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) FIRST :string
          
        
    
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        Substitute the first value encountered
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) MAX :string
          
        
    
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        Calculate the maximum of the values
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) MIN :string
          
        
    
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        Calculate the minimum of the values
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) NONE :string
          
        
    
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        Substitute a null for the value
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) STDDEV :string
          
        
    
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        Calculate the standard deviation of the values
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) SUM :string
          
        
    
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        Sum the values
       
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
 
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          (static) VARIANCE :string
          
        
    
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        Calculate the variance of the values