[amibroker] Re: Trying to code the CCI(20)

["Gerard Carey" <gcfinance@xxxxxxxxxxx>]

Tks Graham,
Yes I have checked both areas and was unable to find the CCI coded in 
AFL.
The introduction of your line of code does not initally appear to 
correct any error of mine, although it does simplify it.
Regds
Gerard

--- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxxx> wrote:
> without going into too much on this, have you checkedthe AFL library
> and previous posts to this group for CCI?
> 
> One thing I will point to is a simplifiaction of what you have 
> TP is Avg in AB
> 
> TPMA=MA(Avg,20) ; 
> ConditionA=Avg-TPMA ; 
> 
> //Subtract today's TPMA from TP for each of the last 20 days.
> //Sum the absolute values AND divide by 20.
> //Multiply the result by 0.015.
> simplified to (saves any possible errors creeping in from so many 
ref's
> 
> ConditionB = ABS( Sum( Avg, 20 ) - 20 * TPMA ) / 20 * 0.015;
> 
> 
> As to whether this owrks or not ??
> 
> On 6/20/05, Gerard Carey <gcfinance@xxxx> wrote:
> > I'd appreciate some help in coding the CCI(20) as I wish to 
customise
> > the indicator.
> > I'm using the following description from Incredible Charts but my
> > efforts are to no avail.
> > 
> > // Calculate Typical Price ("TP") ie. (High + Low + Close) / 3
> > //Calculate TPMA: a 20-Day simple MA of TP.
> > // Subtract TPMA from TP
> > 
> > //Divide the result by the following:
> > 
> > //Subtract today's TPMA from TP for each of the last 20 days.
> > //Sum the absolute values AND divide by 20.
> > //Multiply the result by 0.015.
> > 
> > // HERE IS MY ATTEMPT
> > TP=(H+L+C)/3 ;  // Calculate Typical Price
> > TPMA=MA(TP,20) ; // Calculate TPMA: a 20-Day simple MA of TP.
> > ConditionA=TP-TPMA ; // Subtract TPMA from TP
> > 
> > //Divide the result by the following:
> > 
> > // Subtract TODAY'S TPMA from TP for each of the last 20 days, 
sum the
> > absolute values AND divide by 20.
> > ConditionB=( TP-TPMA + Ref(TP,-1)-TPMA + Ref(TP,-2)-TPMA +
> > Ref(TP,-3)-TPMA + Ref(TP,-4)-TPMA
> > + Ref(TP,-5)-TPMA + Ref(TP,-6)-TPMA + Ref(TP,-7)-TPMA + Ref(TP,-
8)-TPMA
> > + Ref(TP,-9)-TPMA
> > + Ref(TP,-10)-TPMA + Ref(TP,-11)-TPMA + Ref(TP,-12)-TPMA +
> > Ref(TP,-13)-TPMA + Ref(TP,-14)-TPMA
> > + Ref(TP,-15)-TPMA + Ref(TP,-16)-TPMA + Ref(TP,-17)-TPMA +
> > Ref(TP,-18)-TPMA + Ref(TP,-19)-TPMA )/20 ;
> > 
> > ConditionC=ConditionB*0.015; //Multiply the result by 0.015
> > 
> > Plot(ConditionA/ConditionC,"",4); // The Division and Plot
> > 
> > TIA
> > Gerard
> > 
> > --
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> > 
> > Please note that this group is for discussion between users only.
> > 
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> 
> 
> -- 
> Cheers
> Graham
> http://e-wire.net.au/~eb_kavan/




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