Re: Peak function & Wolf pattern

["Stephane Carrasset" <s.carrasset@xxxx>]

Dimitri,

Thanks, it is what I was thinking of this wolf pattern,
I conclude definitively that zigzag function can be only use to draw 
Support or resistance lines , after the peak or the dip have been 
built.

Stephane


> Stephane ,
> Let us see the lines
> 
> tb=TroughBars(Low,5,1);
> eki1=IIf(tb<=4 AND ...
> 
> According to AFL manual, TroughBars(Low,5,1)
> "Plots the number of bars that have passed from the 1st trough. 
> This uses the Zig Zag function to determine the troughs. 
> Caveat: this function is based on Zig-Zag indicator and may look 
into 
> the future."
> If the stock closed Day1 at 100 and it is a trough and 
> D1, 100.0
> D2, 101.0
> D3, 101.5
> D4, 101.2
> D5, 102.0
> D6, 103.5
> D7, 104.0
> D8, 105.5
> with the last close the formula will "see" that Day1 was a trough 
and 
> the bars that have passed are 7, i.e. tb=7 which is >4, hence tb<=4 
> is 
> false, although at D2, D3, D4 and D5 the condition tb<=4 was true.
> If you plot the 
> graph0=tb<=4;
> ten days later, you will see that it was true at above days, but 
you 
> do
> not see that until the D8 close.
> This is the problem for the last trough or the last peak.
> Dimitris Tsokakis
> --- In amibroker@xxxx, "Stephane Carrasset" <s.carrasset@xxxx> 
wrote:
> > 
> > Dimitri,
> > 
> > > Additional conditions will not change the problem.
> > > And the problem is that the truth of a condition like
> > > Dno1 > Dno2 
> > > is perhaps known some days later.
> > > Please read #5290, #5292, #5293 messages I wrote for Nate.
> > 
> > Do you think this wolf pattern is correct or it will be known 
some 
> > days later
> > /*Wolf Buy Pattern*/
> > 
> > Pa=Trough(Low,5,4);
> > Pb=Peak(High,5,3);
> > P1=Trough(Low,5,3);
> > P2=Peak(High,5,2);
> > P3=Trough(Low,5,2);
> > P4=Peak(High,5,1);
> > P5=Trough(Low,5,1);
> > tb=TroughBars(Low,5,1);
> > eki1=IIf(tb<=4 AND p1 > pa AND pb < p2 AND p1 < p4 AND
> > p1 > p3 AND p3 > p5 AND p4 < p2,1,0);
> > p1=Trough(Low,5,3);
> > p3=Trough(Low,5,3);
> > p5=Trough(Low,5,3);
> > o1=p1-p3;
> > o2=p1-p5;
> > a1=TroughBars(Low,5,3)-TroughBars(Low,5,2);
> > a2=TroughBars(Low,5,3)-TroughBars(Low,5,2);
> > tan1=o1/a1;
> > tan2=o2/a2;
> > eki2=abs(tan1-tan2);
> > Wolf=IIf(eki1 AND eki2 <= .2 ,1,0);
> > 
> > Graph1=Wolf; 
> > Graph1Color=3; /* 3 is white */ 
> > Graph1Style=1;