A/B (DMATH)

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DMath: A/B

Divides numeric input A by numeric input B

Purpose

Use this function to:
  • Create ratios
  • Calculate percentages
  • Scale data

Return Value

PropertyValue
FieldTypeDouble
FieldSizeLow / Med / High / Continuous
DataTypeDiscrete / Continuous
DataSizeShort / Integer / LongInteger / Double
Example Return Value: X*.XXXXXX....-X*.XXXXX

e.g.  21.000000, 98754654.123456, -5.000000, -654.320000
Dividing by zero or null
  • Dividing by zero will produce a null
  • Dividing by null will produce a null


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.
Math Function“p1”: “A/B”A/B
A“p2”: “NumericFieldName”
“p2”: “#N*.N*”		Required.  The numerator.
Supports:  
  • DataType: Discrete / Continuous
  • Field Type: Integer, Double
  • Fixed Value:  #N*    e.g. #201596,    #-87
  • Fixed Value: #N*.N* e.g. #201596.05,    #-87.98
B“p3”: “NumericFieldName”
“p3”: “#N*.N*”		Required.  The denominator.
Supports:  
  • DataType: Discrete / Continuous
  • Field Type: Integer, Double
  • Fixed Value:  #N*    e.g. #201596,    #-87
  • Fixed Value: #N*.N* e.g. #201596.05,    #-87.98
Treat Null as Zero"nullIsZero": true
"nullIsZero": false

True/False.
Default = False
If true, then any null values in the input fields will be treated as if they have a value of 0.

JSON Sample


Usage Notes

See Also:   

Example

ExampleDetails
DescriptionCalculate transaction frequency for the customer
Input
  • Table: = [customer]
  • Filter: = [No Filter]
  • Function: = DMath
  • Math Function = A/B
  • A:= [customer ].[lifetime]
  • B:= [customer ].[nTransactions]
  • Name: = frequency
Sample