In This Topic
Syntax
STDDEV(arg1 [, period])
Arguments
The 'arg1' argument must be an array. The 'period' parameter is optional and must be a value greater or equal to 1.
Result
The result is a scalar value. If the period parameter is supplied the result is an array.
Description
Standard deviation is used to indicate volatility, and measures the difference between values and their average. The function calculates the standard deviation for the elements in the array 'arg1'. If the 'period' parameter is supplied the function calculates a "moving" standard deviation with the specified period (standard deviation with simple moving average).
Related Examples
Windows Forms: All Examples\Data Manipulation\Functions\Statistical\Count, Standard Deviation, RMS
