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Richard,
ANY other function works just fine with my valuable Amibroker 4.06.
Just fine.
I can not see the reason for this P&F script.
Anyway, the author perhaps could expain.
Dimitris Tsokakis
--- In amibroker@xxxx, "Richard Alford" <richard.alford@xxxx> wrote:
> DT, I agree it was not easy to understand. The attached charts
showed the TWO results that were generated whenever I entered the
symbol MSFT - it appears to be a fluke and I cannot reproduce it any
longer. Although there is not ticker name in the formula, there was
strange behavior occurring for MSFT and MSFT only at that time.
>
> The gist of my reply to you was that using the SAME code as you
posted and using the code I copied from the files sections, I
generated the same results - and not the results that you were
creating. That suggests that you have a problem in your data and/or
setup. The only reason for the two codes was to guarantee that there
wasn't a subtle error - there was not.
>
> Sorry for adding the confusion about the MSFT fluke at the same
time.
>
> Cheers,
>
> Richard
> ----- Original Message -----
> From: dtsokakis
> To: amibroker@xxxx
> Sent: Wednesday, July 17, 2002 12:47 AM
> Subject: [amibroker] Re: Point & Figure Chart in AFL
>
>
> Richard,
> It is not easy to understand this
> "the plot for MSFT changes when one changes the symbol go MSFT
from
> MSFT??? "
> I copied the formula from
> http://groups.yahoo.com/group/amibroker/files/Point-Figure
> pasted in my Ind. builder and get the posted gifs.
> No ticker name is into the formula.
> What is "the two MSFT " ???
> Do you use the same code from the above address??
> DT
>
>
> --- In amibroker@xxxx, "Richard Alford" <richard.alford@xxxx>
wrote:
> > Those are not the figures I generate using the code in
the "files
> section". (Why wasn't this put in the AFL library is a question
in
> my mind???)
> >
> > Just noticed that the plot for MSFT changes when one changes
the
> symbol go MSFT from MSFT??? Not the case for AMZN or ORCL?
> >
> > I attached the two MSFT for comparison, one is "my" copy, and
the
> other is a copy and paste of the code in your note. The
difference
> is the quirk in MSFT, not an error in the code you have used. And
DT
> do you really like black on blue borders? Personally, I can
never
> read your chart titles.
> >
> > Cheers,
> >
> > Richard
> >
> >
> > ----- Original Message -----
> > From: Dimitris Tsokakis
> > To: amibroker@xxxx
> > Sent: Tuesday, July 16, 2002 1:14 PM
> > Subject: [amibroker] Re: Point & Figure Chart in AFL
> >
> >
> > Mirat,
> > Here is P&F charts for AMZN, MSFT and ORCL.
> > Data since Jan 2000.
> > Is it the expected picture ?
> > The code, copied from files section
> >
> > // PF Chart by Mirat Dave
> > // Copy and paste this as a custom indicator.
> >
> > EnableScript("jscript");
> > <%
> >
> > High = VBArray( AFL( "High" ) ).toArray();
> > Low = VBArray( AFL( "Low" ) ).toArray();
> >
> > // Calculate running average stock price for use in
calculating
> the Box size.
> >
> > tot = new Array();
> > tot[0] = (High[0] + Low[0])/2;
> > for( i=1; i < High.length; i++ )
> > {
> > tot[i] = tot[i-1] + ((High[i] + Low[i])/2);
> > }
> > PFO = new Array();
> > PFC = new Array();
> >
> > // initialize first element
> >
> > j = 0;
> > PFO[j] = High[0];
> > PFC[j] = Low[0];
> > down = 1; // By default the first bar is a down bar.
> >
> > up = 0;
> > swap = 0;
> >
> > // perform the loop that produces PF Chart
> >
> > for( i = 1; i < High.length; i++ )
> > {
> > // Calculate PF Chart Box size and minimum Reverse values
> >
> > Box = ((tot[i]/(i+1))^.5)/7.3374;
> > Reverse = Box * 3;
> > if( Low[i] < PFC[j] - Box && down)
> > {
> > PFC[j] = Low[i];
> > }
> > else
> > {
> > if( High[i] >= PFC[j] + Reverse && down)
> > {
> > j++;
> > swap = 1;
> > PFO[j] = Low[i];
> > PFC[j] = High[i];
> > }
> > }
> > if( High[i] > PFC[j] + Box && up)
> > {
> > PFC[j] = High[i];
> > }
> > else
> > {
> > if( Low[i] <= PFC[j] - Reverse && up)
> > {
> > j++;
> > PFC[j] = Low[i];
> > PFO[j] = High[i];
> > swap = 1;
> > }
> > }
> > if( swap )
> > {
> > swap = 0;
> > if( up )
> > {
> > up = 0;
> > down = 1;
> > }
> > else
> > {
> > up = 1;
> > down = 0;
> > }
> > }
> > }
> >
> > // Shift chart to the right to eliminate trailing empty data
> > // - PF charts are generally smaller/shorter then the full
stock
> charts because they lack a time scale.
> >
> > delta = High.length - PFO.length;
> > for( i = High.length; i > delta; i-- )
> > {
> > PFO[ i-1 ] = PFO[ i-delta-1];
> > PFC[ i-1 ] = PFC[ i-delta-1];
> > }
> > for( i = 0; i < delta; i++)
> > {
> > PFO[ i-1 ] = 0;
> > PFC[ i-1 ] = 0;
> > }
> > AFL.Var("PFO") = PFO;
> > AFL.Var("PFC") = PFC;
> > %>
> >
> > O = PFO;
> > C = PFC;
> >
> > H = (O+C)/2;
> > L = (O+C)/2;
> >
> > GraphXSpace = 9;
> > Graph0Style = 64;
> >
> > Graph0Color =1;
> > Graph0 = C;
> >
> > Thanks in advance for any reply.
> > Dimitris Tsokakis
> >
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