Trendline with moving average

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RobertJ

Version: 2008 Operating System: Mac OS X 10.5 (Leopard) Processor: Intel When using a trendline with a moving average, what type of windowing is used. A square window is simple but generates harmonics that are artifacts; whereas, a raised cosine or Hamming window does not have this problem.

Does any one know what type of windowing is used for a trendline with a moving average?
 
R

RobertJ

Tested the window by using the equivalent of an impulse function. The windowing is a square window. Has a number of issues the most significant of which are the harmonic artifacts inversely proportional to the averaging window.

Will need to generate a template to generate a Hamming window.
 
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