Visual Basic (Declaration)  

Public Overloads Shared Function LinearlyWeightedMovingAverage( _ ByVal s As Series, _ ByVal lengthOfMA As Integer _ ) As Series 
Visual Basic (Usage)  Copy Code 


C#  

public static Series LinearlyWeightedMovingAverage( Series s, int lengthOfMA ) 
Parameters
 s
 A statistical series.
 lengthOfMA
 The number of periods over which the moving average is evaluated for each period.
Return Value
A series where the first term is the LWMA of lengthlengthOfMA
for the
latest period, the second term is the LWMA of length lengthOfMA
for the previous
period and so on.
Exception  Description 

ArgumentException  Thrown if the series s is empty or if its length
is less than the lengthofMA .

The Linearly Weighted Moving Average (LWMA) weights the time series by assigning a weight of 1,
to the oldest price and a weight of 2, to the second oldest price and so on... Until the weight of the most
recent value is assigned to be the parameter
lengthOfMA
, after which the LWMA is given by the sum
of the weighted prices divided by the sum of the weights. This indicator then shifts the window
(one place back) over which the MA is evaluated and the indicator is then reevaluated.