Find "Understanding How AFL Works" in the User's Guide (Help). AMA is explained at the bottom.
Joe --- In [email protected], "bigitop" <doctormu...@...> wrote: > > Hi All. > > I am trying to migrate an AFL script to Metatrader 4 for forex. The > script is based on Woodie's Heikin Ashi > (http://www.amibroker.com/library/detail.php?id=1024) and it uses AB's > AMA function. > > The problem I have is that Metatrader doesn't have a built-in AMA > function as AB does. So I am trying to code the AMA function myself. > > My question is this: > > 1. What is the default PERIOD for AB AMA function. (since it only takes > two parameters, the ARRAY and SMOOTHINGFACTOR) > > 2. What exactly is the SMOOTHINGFACTOR? > > Any help is greatly appreciated! > > I'm using the following, which i got on the internet, to calculate the > AMA > > Direction = Price - price(n) ; where n = AMA Period > Volatility = Sum(abs(price - price[1], n) > Effeciency Ratio (ER) = Direction / Volatility > Fast Smoothing Constant (FastC) = 2/(p + 1) ; where p = FSC Period > Slow Smoothing Constant (SlowC) = 2/(q + 1) ; where q = FSC Period > Scaled Smoothing Constant (SSC) = ER(FastC - SlowC) + SlowC >
