StdDeviation - Used to store the sum the of the field values.ĪrithMeanValue - The Standard Deviation value of the Found Set.Ĭalculates the standard deviation of a set of numbers, by recursively calling this function for each row in a Found Set. StartIndex - Row index to start processing at. MaxLoopCount - The maximum number of records to process ie.
Standard_Deviation( Field MaxLoopCount StartIndex StdDeviation ArithMeanValue ) įield - The field containing the values to be calculated.
Function definition: (Copy & paste into FileMaker's Edit Custom Function window) /*īased on Standard Deviation - Formula 1 by Richard Bowles ''
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