Thanks Mike. That makes sense.
--- In amibroker@yahoogroups.com, "Mike" <sfclimb...@...> wrote: > > Not all scripts are written with an intent to backtest. Looking into the > future can be a useful visual cue for charting. > > Even so, forward looking functions can still be used in scripts intended for > backtesting. You just need to add logic to delay acting on any signals until > they would have actually been seen. There's an example of delayed Zig in the > user library > > http://www.amibroker.com/library/detail.php?id=353 > > Mike > > --- In amibroker@yahoogroups.com, "ozzyapeman" <zoopfree@> wrote: > > > > Doesn't Zig look into the future? > > > > And this may be a dumb question - but if it does look into the future, then > > of what use is it for trading systems, since it can never give realistic > > results in backtests? Any function that looks into the future will > > obviously give near perfect results, that cannot be replicated in live > > trading. > > > > > > > > --- In amibroker@yahoogroups.com, reinsley <reinsley@> wrote: > > > > > > > > > Hi, > > > > > > This formula can inspire you ... > > > > > > Best regards > > > > > > //Patterns Wave > > > > > > _SECTION_BEGIN("Patterns Wave"); > > > Change = Param("Wave Period",7,0,100,1); > > > SupResA = Param("Sup-Res A Period",20,0,100,1); > > > SupResB = Param("Sup-Res B Period",25,0,100,1); > > > > > > Res1 = ParamColor("Resistance High", colorRed ); > > > Res2 = ParamColor("Resistance Low", colorDarkRed ); > > > Sup1 = ParamColor("Support High", colorDarkGreen ); > > > Sup2 = ParamColor("Support Low", colorBrightGreen ); > > > > > > procedure PlotShapeAt( x, y, shape, shift ) > > > { > > > PlotShapes( IIf( BarIndex() == x, shape, 0 ), colorWhite, 0, y, > > > shift ); > > > } > > > > > > bi = BarIndex(); > > > sbi = SelectedValue( bi ); > > > GraphXSpace = 2; > > > Plot( Zig( C, Change ), "", colorWhite, styleThick ); > > > upshift = 15; > > > if( SelectedValue( PeakBars( C, Change ) < TroughBars( C, Change ) ) ) > > > { > > > pt1 = PeakBars( C, Change, 1 ) == 0 ; > > > pt2 = TroughBars( C, Change, 1 ) == 0 ; > > > } > > > else > > > { > > > pt1 = TroughBars( C, Change, 1 ) == 0 ; > > > pt2 = PeakBars( C, Change, 1 ) == 0 ; > > > upshift = -upshift; > > > } > > > bpt1 = SelectedValue( ValueWhen( pt1, bi ) ); > > > bpt2 = SelectedValue( ValueWhen( pt2, bi ) ); > > > bpt3 = SelectedValue( ValueWhen( pt1, bi, 2 ) ); > > > bpt4 = SelectedValue( ValueWhen( pt2, bi, 2 ) ); > > > bpt5 = SelectedValue( ValueWhen( pt1, bi, 3 ) ); > > > bpt6 = SelectedValue( ValueWhen( pt2, bi, 3 ) ); > > > PlotShapeAt( bpt1, C, shapeDigit5, upshift ); > > > PlotShapeAt( bpt2, C, shapeDigit4, -upshift ); > > > PlotShapeAt( bpt3, C, shapeDigit3, upshift ); > > > PlotShapeAt( bpt4, C, shapeDigit2, -upshift ); > > > PlotShapeAt( bpt5, C, shapeDigit1, upshift ); > > > > > > Plot( C, "", colorWhite, styleThick + styleCandle); > > > _SECTION_END(); > > > > > > > > > cvanhaesendonck a écrit : > > > > > > > > > > > > My pleasure: > > > > http://books.google.be/books?id=GZtlA991lNYC&pg=PT105&lpg=PT105&dq=demark+d-wave&source=bl&ots=GsizxkEprO&sig=W4nDwR5okjqzZXGvugIwH589EKU&hl=fr&ei=eW7DSvCkI83A-Qb04v3uCw&sa=X&oi=book_result&ct=result&resnum=6&ved=0CBwQ6AEwBQ#v=onepage&q=demark%20 > > > > > > > > <http://books.google.be/books?id=GZtlA991lNYC&pg=PT105&lpg=PT105&dq=demark+d-wave&source=bl&ots=GsizxkEprO&sig=W4nDwR5okjqzZXGvugIwH589EKU&hl=fr&ei=eW7DSvCkI83A-Qb04v3uCw&sa=X&oi=book_result&ct=result&resnum=6&ved=0CBwQ6AEwBQ#v=onepage&q=demark%20> > > > > > > > > Basically, time and sequence constraints are added; something like this > > > > TD1 (that is EW1 D-wave) is completed when pre-TD1 conditions are > > > > filled; so here we go based on Perl interpretation on the link above: > > > > > > > > PreTD1= C==LLV(C,21); > > > > TD1= follows PreTD1 and C== HHV(C,13) ; > > > > TD2= follows TD1 and C==LLV(C,8); > > > > TD3= follows ...and.. C==HHV(C,21); > > > > TD4= follows ...and..C==LLV(C,13); > > > > TD5= follows ...and..C==HHV(C,34); > > > > TDA= follows ...and..C==LLV(C,13); > > > > TDB= follows ...and..C==HHV(C,8); > > > > TDC= follows ...and..C==LLV(C,21); > > > > > > > > I have to admit I have some difficulty to code at least a Plotshape > > > > thing pointing a Digit1, 2, 3 on the chart to show the d-waves but > > > > hopefully someone here will b e able to do this?? > > > > > > > > Carl > > > > > > > > --- In amibroker@yahoogroups.com <mailto:amibroker%40yahoogroups.com>, > > > > Keith McCombs <kmccombs@> wrote: > > > > > > > > > > Carl -- > > > > > Can you summarize those rules and post them here? > > > > > -- Keith > > > > > > > > > > cvanhaesendonck wrote: > > > > > > > > > > > > > > > > > > Tom Demark has made a great job simplifying Elliott wave count and > > > > > > making it more objective thanks to a straight rule set. Those rules > > > > > > can be summarized in few lines. Has anyone ever developed AFL > > > > coding > > > > > > on this. AFL library contains some Demark codes (now public domain) > > > > > > but nothing on d-waves. > > > > > > > > > > > > Carl > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >