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Watch for wrapped lines... that line should read:
...
DeltaPhase=0;MedianDelta=0;DC=0;Value1=0;
...
I would suggest you read the first few chapters of a C Language
programming book. AFL resembles programming, and you will have many
troubles ahead if you don't have that background.
--- In amibroker@xxxxxxxxxxxxxxx, "sgoswami_41" <sgoswami_41@xxxx>
wrote:
>
>
> Thanks Cris & Razvan,
>
> When I tried to Scan/Explore I got following message:
>
> Line 18, Column 11:
> DTR=pi/180;
>
>
>
SWcount=0;SWGate=0;Jcount=0;SWCycle=0;Cycle=0;I1=0;Q1=0;InstPeriod=0;
> D
>
> eltaPhase
> ----------^
>
> Error 23.
> Syntax error
>
> Kindly help me as I am new to AFL.
>
> Regards
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "MPLM (Intel EPSD) Razvan Andrei"
> <ra@xxxx> wrote:
> > Thanks, Cris, for your help.
> > Razvan
> > -----Mesaj original-----
> > De la: Christoper [mailto:turkey@x...]
> > Trimis: 26 octombrie 2004 23:12
> > Catre: amibroker@xxxxxxxxxxxxxxx
> > Subiect: [amibroker] Re: Ehler's formulas coded in AFL
> >
> >
> >
> > Below is one I dug up from my library.
> >
> > Later,
> > Chris
> >
> > --------------------------------
> > /*
> > >From Ehlers book: Cybernetic Analysis for Stocks and Futures
> > */
> >
> > SetBarsRequired(1000000,1000000);
> > freq =Param("Freq",40,3,100,1);
> > price=((H+L)/2);
> > alpha=Param("alpha",0.07,0,1,0.001);
> >
> > BurstLength = 2*freq;
> > pi=4*atan(1);
> > RTD=180/pi;
> > DTR=pi/180;
> >
> >
>
SWcount=0;SWGate=0;Jcount=0;SWCycle=0;Cycle=0;I1=0;Q1=0;InstPeriod=0;
> D
> > eltaPhase=0;MedianDelta=0;DC=0;Value1=0;
> >
> DCPeriod=0;RealPart=0;ImagPart=0;DCPhase=0;MedianDelta=0;Smooth=0;
> > GraphXSpace=5;
> >
> > //{ Sine wave Test}
> >
> > SWcycle = sin( Cum(1)*(360*DTR)/freq );
> > for (j=0;j<BarCount;j++)
> > {
> > Jcount[j] = j % burstLength[j];
> >
> > if (SWcount[j]==1 AND Jcount[j] == 0) SWcount[j] = 0;
> > else
> > if (SWcount[j]==0 AND Jcount[j]== 0) SWcount[j] = 1;
> >
> > if (SWcount[j] ==0) SWGate[j] = 1;
> > else
> > SWGate[j] = 0;
> >
> >
> > SWGate[j] = SWcount[j] % 2 ;
> > SWGen[j] = SWCycle[j];// * SWGate[j];
> > }
> > //Plot(SWGen,"",2,1);
> >
> > //Select sinewave test pattern OR real prices
> > Price = IIf(Param("Prices or test",1,1,2,1)==1,Price,SWGen);
> >
> > Smooth = (Price + 2*Ref(Price,-1) + 2*Ref(Price,-2) + Ref
(Price,-
> > 3))/6;
> >
> > for(i=6;i<BarCount;i++)
> > {
> > Cycle[i] = (1-0.5*alpha)^2*(Smooth[i] - 2*Smooth[i-1] +
> > Smooth[i-2] + 2*(1-alpha)*Cycle[i-1] - (1-alpha)^2*Cycle[i-2]);
> >
> > //if (i < 7) Cycle[i] = (Price[i] - 2*Price[i-1] + Price
> [i-
> > 2])/4;
> > //Cycle[i] = Price[i];
> >
> > //Hilbert Transform}
> > Q1[i] = (0.0962*Cycle[i] + 0.5769*Cycle[i-2] -
0.5769*Cycle
> [i-
> > 4] - 0.0962*Cycle[i-6]) * (0.5 + 0.08*InstPeriod[i-1]);
> > I1[i] = Cycle[i-3];
> >
> > if (Q1[i] != 0 AND Q1[i-1] != 0) DeltaPhase[i] = (I1[i]/Q1
> > [i] - I1[i-1]/Q1[i-1]) / (1 + I1[i]*I1[i-1]/(Q1[i]*Q1[i-1]));
> > if (DeltaPhase[i] < 0.1) DeltaPhase[i] = 0.1;
> > if (DeltaPhase[i] > 1.1) DeltaPhase[i] = 1.1;
> > }
> > MedianDelta = Median(DeltaPhase , 5);
> >
> > //Plot(MedianDelta,"MedianDelta",2,8);
> > //Plot(DeltaPhase,"DeltaPhase",3,8);
> > //Plot(Q1,"Q1",4,8);Plot(I1,"I1",5,8);
> > //Plot(Cycle,"Cycle",5,8);
> > //Plot(Smooth,"Smooth",6,8);
> >
> > for(i=50;i<BarCount;i++)
> > {
> >
> > if (MedianDelta[i] == 0) DC[i]=15;
> > else
> > DC[i] = (6.28318/MedianDelta[i]) + 0.5;
> >
> > InstPeriod[i] = 0.33*DC[i] + 0.67*InstPeriod[i-1];
> > Value1[i] = 0.15*InstPeriod[i] + 0.85*Value1[i-1];
> >
> > //Plot(InstPeriod,"InstPeriod",2,8);
> > //Plot(Value1,"Value1",3,8);
> > //Plot(MedianDelta,"MedianDelta",4,8);
> >
> > //Compute Dominant Cycle Phase
> > DCPeriod[i] = int(Value1[i]);
> > //RealPart[i] = 0; ImagPart[i] = 0;
> > for (Count1=0; Count1 < DCPeriod[i] ;Count1++)//DCPeriod-1
> > {
> > RealPart[i] = RealPart[i] + sin
> > (360*DTR*Count1/DCPeriod[i]) *Cycle[i-Count1];
> > ImagPart[i] = ImagPart[i] + cos
> > (360*DTR*Count1 / DCPeriod[i]) * (Cycle[i-Count1]);
> > }
> >
> > if (abs(ImagPart[i]) > 0.001) DCPhase[i] = atan(RealPart
> > [i]/ImagPart[i])*RTD;
> > if (abs(ImagPart[i]) <= 0.001) DCPhase[i] = 90*sign
> (RealPart
> > [i]);
> >
> > DCPhase[i] = DCPhase[i] + 90;
> > if (ImagPart[i] < 0) DCPhase[i] = DCPhase[i] + 180;
> > if (DCPhase[i] > 345) DCPhase[i] = DCPhase[i] - 360;
> >
> > }
> > SineWave = sin(DCPhase*DTR);
> > LeadSine = sin((DCPhase+45)*DTR);
> >
> > //Plot(DCPeriod,"DCPeriod",0,1);
> > Plot(SineWave,"SineWave",colorGreen,1);
> > Plot(LeadSine,"LeadSine",colorRed,1);
> > Title=" Ehlers Sinewave Indicator (Cybernetic Analysis for
> Stocks and
> > Futures) by cs \\c01Lead Sine "+LeadSine+"
> > \\c00Sine "+sineWave+" ";
> >
> > Buy = Cross(Sinewave,LeadSine);
> > Sell = Cross(LeadSine, Sinewave);
> > --- In amibroker@xxxxxxxxxxxxxxx, "ra_randrei" <ra@xxxx> wrote:
> > >
> > >
> > > Hi,
> > > I am now evaluating AmiBroker, moving from MetaStock, so I am
> new
> > to
> > > AFL. I am looking for Ehler's formulas coded in AFL. Yes, I
> know
> > > that some are included in the indicators.dll, but I am not
> quite
> > > sure that the results are accurate. Beside, I will learn much
> more
> > > from seeing/trying AFL code than from just applying a
> function... I
> > > found a previous post about Instantaneous Trendline, very
> useful
> > > (Thanks Corey, AMA makes some sense for me now). I am looking
> now
> > > for Sinewave, MAMA/FAMA and mainly Market Mode Indicator. More
> > > details about Ehler's formulas can be found at:
> > > http://www.mesasoftware.com/seminars.htm
> > > also at:
> > > http://www.mesasoftware.com/OWorld2000RocketScience.ppt
> > > Sorry if you received this message twice...
> > > Thanks,
> > > Razvan
> >
> >
> >
> >
> >
> > Check AmiBroker web page at:
> > http://www.amibroker.com/
> >
> > Check group FAQ at:
> > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> >
> >
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