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Navigation: Code Documentation > RSCharting > RSChartFunction > Classes > TRSCustomChartFunction > Methods

TRSCustomChartFunction.StdDev(TRSCustomChart,Integer,Integer,TDateTime,Integer) Method

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Calculates the sample standard deviation (the square root of the sample variance) of all SourceChart's values over the time period.

Namespace: RSChartFunction

Parameters

SourceChart

Type: TRSCustomChart

Chart to calculate the maximum from

IndexLow

Type: Integer

Lower bounds index into the SourceChart

IndexHigh

Type: Integer

Upper bounds index into the SourceChart
 

TimeStamp

Type: TDateTime

TimeStamp of the new value

SourceDim

Type: Integer

Return Value

Type: TRSChartValueType

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