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      DAYSBEFOREMAX(A)
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      DAYSBEFOREMAX(A)

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      Article summary

      Date Transform: DAYSBEFOREMAX(A)

      Returns the difference in days between A and Max(A)

      Purpose

      Use this function to calculate:
      • The number of days that elapsed between an event and the latest occurrence of that event
      • The number of days a transaction occurred before the latest transaction

      Return Value

      PropertyValue
      FieldTypeInteger
      FieldSizeMed
      DataTypeDiscrete
      DataSizeShort


      Example Return Value: 0....N   
where 
N is the maximum number of days between the earliest and latest date in the dataset

      Parameters

      ParameterJSONDescription
      Table“targetTable”: “MyTableName”The target table on which the new field will be created
      Filter“dataset”: {DataSet_JSON}Optional.   If a filter is applied, records not in the filter Recordset will be returned as null.
      DateTimeFunction“p1”: “DAYSBEFOREMAX(A)”DAYSBEFOREMAX(A)
      A“p2”: “DateFieldName”
      		Required. The date field from which to take the minimum value and the comparator values.
      Supports:  
      • DataType: Discrete
      • Field Type: Date
      • Fixed Value:  #YYYY-MM-DD,    e.g. #2021-04-05

      JSON Sample

      Usage Notes

      See also DAYSAFTERMIN(A)

      Example

      ExampleDetails
      DescriptionCalculate age of a transaction in days
      Input
      • Table: = [transactions]
      • Function: = DateTransform
      • DateTimeFunction: = DAYSBEFOREMAX(A)
      • A:= [transactions].[last_response]
      • Name: = DaysBeforeMax
      Sample


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