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<FONT face=Arial color=#0000ff
size=2>Sorry, missed the post, in that case I would remap UpDayVolBars
to their own array for easy counting:
<FONT face=Arial color=#0000ff
size=2>
m=<FONT
color=#ff0000>BarCount-<FONT
color=#ff00ff>1;
UpVolDays = 0<FONT
color=#000000>;
for(n=m;
n>0; n--) <FONT
color=#ff0000>if(<FONT
color=#ff0000>C[n]><FONT
color=#ff0000>C[n-<FONT
color=#ff00ff>1]) UpVolDays[m--]=<FONT
color=#ff0000>V<FONT
color=#000000>[n]; SumLastUpdays = <FONT
color=#0000ff>Sum<FONT
face="Courier New">(UpVolDays,20);
<FONT
face="Courier New">
<FONT face="Courier New"
color=#0000ff>herman
<FONT face=Tahoma
size=2>-----Original Message-----From: DIMITRIS TSOKAKIS
[mailto:TSOKAKIS@xxxxxxxxx]Sent: November 27, 2003 4:18
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker] Re:
sum only positive daysHerman,this will add the
updaysVol of the last 20 bars. Jayson doesn´t want this, as you may see
from the explanation in the initial message.Dimitris Tsokakis--- In
amibroker@xxxxxxxxxxxxxxx, "Herman vandenBergen" <psytek@xxxx>
wrote:> SumVol20updays = Sum((ROC(C,1)>0)*V,20);>
> herman> -----Original
Message-----> From: kristaura
[mailto:camplevel@xxxx]> Sent: November 27, 2003 11:31
AM> To: amibroker@xxxxxxxxxxxxxxx>
Subject: [amibroker] Re: sum only positive days> >
> Someday I will learn to write what I think:>
> "This is my attempt (without using looping) for summing
the volumes> on the last N up days:">
> should read:> > "over the last
"pds" up days:"> > Note: N is a variable and is the
number of bars encompassing "pds".> kris>
> --- In amibroker@xxxxxxxxxxxxxxx, "kristaura"
<camplevel@xxxx> wrote:> > Hello
Jason,> > This is my attempt (without using looping) for
summing the volumes> on> > the
last N up days:> >> >
pds=20;> > up=C>ref(C,-1);> >
N=barindex()-valuewhen(up,barindex(),pds)+1;> >
UpVol=sum(up*V,N);> > Plot(up*V,"Up
Days",1,2);> > Plot(UpVol,"Sum Up
Vol",1,1);> >> >
kris> >> >> >
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