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Cum() is also great, see above thread example.
AFL is very productive when you go step by step [with detailed
understanding for each step].
AA is quite reliable, no surprises at all, tomorrow you will see the
same results of today´s explorations, even in complicated codes.
DT
--- In amibroker@xxxxxxxxxxxxxxx, "Glenn" <glennokb@xxxx> wrote:
> Hi,
>
> Thanks for your advice. It's not as simple as I thought at first
and I hope
> I may "pick your brains" later when I get a clearer understanding!
>
> Actually, I've been use 3 linear regression slopes (long, med and
short
> term) in Metastock as an entry.
>
> As far as the Ref(). I thought if it's the same as Metastock, for
> backtesting to reference yesterdays buy trigger for a trade at
todays
> open (EOD trading).
>
> Cheers Glenn
>
> --- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS"
> <TSOKAKIS@xxxx> wrote:
> > Glen,
> > no matter of your previous MS experience, optimization is an
> advanced
> > procedure.
> > You should become familiar with basic AFL concepts, like cross
> > function [many trading ideas are based on a cross].
> > Before setting up a cross, you should know how to write the
arrays
> > you expect a cross.
> > A simple moving average crossover needs perfect understanding
> before
> > more complicated use.
> > When you write
> > Buy=cross(C,MA(C,10));
> > you should clearly understand what is going on, ie the day BEFORE
the
> > cross C<MA(C,10) and the NEXT day C>MA(C,10).
> > Plot in indicator builder whatever you use in AA.
> > For the above example
> > Plot(C,"Close",1,64);Plot(MA(C,10),"10bars MovAverage",4,1);
> > Then write a simple
> > Buy=cross(C,MA(C,10));
> > Sell=cross(MA(C,10),C);
> > scan, backtest it,see the arrows in detail to understand how cross
()
> > function operates.
> > This will be educative before optimization procedure.
> >
> > X=OPTIMIZE("X",10,10,50,5);
> > Buy=cross(C,MA(C,X));
> > Sell=cross(MA(C,X),C);
> >
> > The next step would be better access to the most important AFL
> > function Ref()
> > DT
> >
> >
> > DT
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "glennokb" <glennokb@xxxx>
> wrote:
> > > Hi,
> > >
> > > I'm having some trouble understanding concepts in AB. Mainly
> > setting up
> > > things visually.
> > >
> > > I have a background in Metastock/Tradesim and if someone could
> > > please help me out on what maybe fairly basic things. It might
be
> > good
> > > if you had some Metastock exp.
> > >
> > > Ultimately, I would like to convert my system into AB so I can
try
> > out the
> > > optimisation.
> > >
> > > If so... glennokb@xxxx
> > >
> > > Cheers Glenn
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