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Hello,
Please check things before posting on the list.
ADX( Period == 14 ) is wrong.
because == is "equal to" operator and it will
evaluate to either 0 or 1 depending if period equals 14 or not.
AAA = ADX( Period = 14 );
is correct but not neccessary at all.
All you have to write is:
AAA = ADX( 14 );
and this is correct way of calling all built in functions.
The AFL function reference uses notation
ADX( Period = 14 )
to show you that ADX has one optional parameter called 'Period'
and its DEFAULT value is equal 14.
The DEFAULT value is applied when you don't specify parameter value
explicitely.
So if you write
ADX();
it works like ADX( 14 );
This is a standard notation used in C++.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "amiabilityy" <amiabilityy@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Sunday, March 30, 2003 3:37 PM
Subject: [amibroker] Re: AFL Formula
> You may have made a mistake of using only 1 = sign
>
> AAA=ADX(PERIOD=14);
> should be, AAA=ADX(PERIOD==14); e.t.c.
>
> I have not tested it.
>
> peter.
>
> --- In amibroker@xxxxxxxxxxxxxxx, Rakesh Sahgal <rakeshsahgal@xxxx>
> wrote:
> > Group,
> >
> > The following is an attempt at creating a validated
> > trade signal based on ADX and DMI. The BUY validation
> > being a close greater than the high of the signal bar
> > and the SELL validation being a close lower than the
> > low of the signal bar.
> >
> > Variables
> > ---------
> >
> > AAA=ADX(PERIOD=14);
> > BBB=PDI(PERIOD=14);
> > CCC=MDI(PERIOD=14);
> >
> > Signals
> > -------
> >
> > ddd=(ccc>bbb AND Cross(Aaa,Ccc)) OR (Cross(bbb,Ccc));
> >
> > eee=bbb>Ccc AND Cross(Aaa,bbb) OR (Cross(ccc,bbb));
> >
> >
> > Signal validation
> > -----------------
> >
> > Buy= C>ValueWhen(ddd=1,H,1);
> > Sell= C<ValueWhen(eee=1,L,1);
> >
> > Now the reason for raising the matter here. Visual
> > inspection of the charts using a formula which does
> > not contain the signal validation component in the
> > formula shows confirmed/validated signals both on the
> > Buy side and the Sell side in my data set. However the
> > same are not there if the Signal validation component
> > is inserted into the formula and the scan is run. It
> > is obvious I am doing something wrong. I will
> > appreciate an indication from the more experienced
> > users as to where I am making a mistake.
> >
> >
> > Thanks in advance,
> >
> >
> >
> > Rakesh
> >
> >
> > __________________________________________________
> > Do you Yahoo!?
> > Yahoo! Platinum - Watch CBS' NCAA March Madness, live on your
> desktop!
> > http://platinum.yahoo.com
>
>
>
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