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I messed up the loop code it should be set to i<4 for this case.
One thing I've noticed while experimenting with this code is that
the "Buy" and "Sell" variables will only store the buy and sell
values for the last iteration of 'i' in my loop.
//-------------------------------------------
//---------------Start Code------------------
//-------------------------------------------
// Trendline trading study
//-------------------------
// Initialize Buy & Sell
Buy=0;
Sell=0;
for( i = 1; i < 4; i++ )
{
LinUp=Study("U"+i,1045);
LinDn=Study("D"+i,1045);
// Make Buy & Sell equal the sum of all the trades from
// the individual TL signals
Buy = Cross( Close, LinDn) + Buy;
Sell = Cross( LinUp, Close) + Sell;
}
Short=0;
Cover=0;
//-------------------------------------------
//-----------------End Code------------------
//-------------------------------------------
This code also only uses the first set of trendlines that I drew.
Can anyone help me get this to work on several trendlines?
Its my intention to get it to work so that I can use trendlines to
extract certain data using the Explore routine.
-ace
--- In amibroker@xxxxxxxxxxxxxxx, "acesheet" <acesheet@xxxx> wrote:
> Thanks Tomasz.
>
> My goal is to use multiple lines for explorations and backtesting
so
> let me run this code by you. Maybe there is something very simple
> that I'm doing wrong. I have a chart on which I've placed three
sets
> of up and down trendlines that I manually
> labelled "U1", "U2", "U3", "D1", "D2", and "D3". I'm trying to
write
> a simple trendline break system that uses all three lines. I'd
like
> to use as many as 9 different lines, but let's start here.
>
> Here's the AFL code that I programmed:
>
> //-------------------------------------------
> //---------------Start Code------------------
> //-------------------------------------------
> // Trendline trading study
> //-------------------------
> // Initialize Buy & Sell
> Buy=0;
> Sell=0;
> for( i = 1; i < 2; i++ )
> {
> LinUp=Study("U"+i,1045);
> LinDn=Study("D"+i,1045);
> // Make Buy & Sell equal the sum of all the trades from
> // the individual TL signals
> Buy = Cross( Close, LinDn) + Buy;
> Sell = Cross( LinUp, Close) + Sell;
> }
>
> Short=0;
> Cover=0;
> //-------------------------------------------
> //-----------------End Code------------------
> //-------------------------------------------
>
> This code also only uses the first set of trendlines that I drew.
> Can anyone help me get this to work on several trendlines?
>
> Its my intention to get it to work so that I can use trendlines to
> extract certain data using the Explore routine.
>
> -ace
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko"
<amibroker@xxxx>
> wrote:
> > Hello,
> >
> > If you have multiple lines with the SAME identifier on single
> chart pane
> > only FIRST will be used by Study.
> >
> > You should use different studyID's for multiple lines.
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "acesheet" <acesheet@xxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Sunday, August 10, 2003 12:52 AM
> > Subject: [amibroker] Trendlines
> >
> >
> > > Can more than one trendline of each type (per stock analyzed)
be
> > > used in Scans, Explorations and Backtesting?
> > >
> > > I've been messing around with the feature and I can't seem to
> get
> > > AFL to recognize more than one trendline of each label type at
a
> > > time.
> > >
> > > For instance the following code would be a very simple
trendline
> > > break buy and sell system:
> > >
> > > DTL=Study("DN");
> > > UTL=Study("UP");
> > >
> > > Buy = Cross( High, DTL+.1 );
> > > Sell = Cross( UTL-.1, Low );
> > > Short=0;
> > > Cover=0;
> > >
> > > I've drawn two trendlines on my chart that I labelled "DN"
using
> > > the "Properties" dialogue that pops up when you doubleclick a
> > > trendline you've drawn. I also set two others up labelled "UP"
> to
> > > give sell signals for the downtrend break signals.
> > >
> > > When I run a scan or a backtest AFL only recognizes one set of
> > > trendlines, but I've labelled them all.
> > >
> > > Can someone explain what I'm doing wrong, or am I even doing
> > > anything wrong?
> > >
> > > Tnaks.
> > >
> > > -ace
> > >
> > >
> > >
> > > Send BUG REPORTS to bugs@xxxx
> > > Send SUGGESTIONS to suggest@xxxx
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> > >
> > >
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