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Try
the code below, note i limited the looping to the last 30 bars, otherwise it
takes forever on my computer :-) You can uncomment the Trace statements to see
how it loops through your array - if you have DebugView [ <A
href="">http://www.sysinternals.com/ntw2k/freeware/debugview.shtml ]
installed, I highly recommend it.
<SPAN
class=140011314-24042004>
<SPAN
class=140011314-24042004>herman
<SPAN
class=140011314-24042004>
Period=Param("Period",
40,3,200);
<FONT face=Arial color=#0000ff
size=2>Momentum=(C-Ref(C,-period))/(period-1);PCI=0;
NumBarsTested = 30;//for
(i=Period-1;i<BarCount-1;i++)for
(i=BarCount-1-NumBarsTested;i<BarCount-1;i++){<SPAN
class=140011314-24042004>// _TRACE("#i="+NumToStr(i,1.0));
DUP[i]=0; DDOWN[i]=0; for
(j=i;j>i-period;j--) {<SPAN
class=140011314-24042004>// _TRACE("
#j="+NumToStr(j,1.0));
T=C[i-period+1]+(j-i+period-1)*Momentum[i];
if(C[j]>T)
DUP[i]=DUP[i]+C[j]-T;
if(C[j]<T)
DDOWN[i]=DDOWN[i]+T-C[j];
}
PCI[i]=DUP[i]/(DUP[i]+DDOWN[i])*100;}
<FONT face=Arial color=#0000ff
size=2>Plot(C,"C",colorBlack,styleCandle|styleOwnScale);Plot(PCI,"PCI",colorBlue,styleThick);
<FONT face=Tahoma
size=2>-----Original Message-----From: jfk_92
[mailto:jfk_92@xxxxxxxxx]Sent: Saturday, April 24, 2004 9:48
AMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker] Help
on customerized indicator plottingI have a
customerized indicator as follows. I have the difficulty to plot the
indicator "PCI". Thanks for the
suggestion.=============================Period=Param("Period",
40,3,200);Momentum=(C-Ref(C,-period))/(period-1);PCI=0;for
(i=Period-1;i<=BarCount-1;i++){
DUP[i]=0; DDOWN[i]=0; for
(j=i;j<=i-period+1;j--) {
T=C[i-period+1]+(j-i+period-1)*Momentum[i];
if(C[j]>T)
DUP[i]=DUP[i]+C[j]-T;
if(C[j]<T)
DDOWN[i]=DDOWN[i]+T-C[j]; }
PCI[i]=DUP[i]/(DUP[i]+DDOWN[i])*100;}Plot(C,"C",colorBlack,styleCandle|styleOwnScale);Plot(PCI,"PCI",colorBlue,styleThick);Send
BUG REPORTS to bugs@xxxxxxxxxxxxxSend SUGGESTIONS to
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