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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 usingthe 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
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
dtsokakis
To: <A title=amibroker@xxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
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<A
href="">http://groups.yahoo.com/group/amibroker/files/Point-Figurepasted
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 goMSFT
from MSFT??? Not the case for AMZN or ORCL? > >I
attached the two MSFT for comparison, one is "my" copy, and the otheris 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 reallylike
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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