【StandardDev】
[code]inputs:PriceValue( numericseries ),
Len( numericsimple ),
DataType( numericsimple ) ;
Value1 = VariancePS( PriceValue, Len, DataType ) ;
if Value1 > 0 then
StandardDev = SquareRoot( Value1 )
else
StandardDev = 0 ;
[/code]
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