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RE: [amibroker] Resetting the EMA



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Thanks a lot...Paul

Thats solved my prob...

Regards,

Raajesh


Paul Ho <paultsho@xxxxxxxxxxxx> wrote:
set f = 2/(range+1)
AMA(array, f) is equivalent to EMA(array, range)


From: amibroker@xxxxxxxxxps.com [mailto:amibroker@yahoogroups.com] On Behalf Of Raajesh Jariwala
Sent: Thursday, 24 May 2007 4:13 PM
To: amibroker@xxxxxxxxxps.com
Subject: Re: [amibroker] Resetting the EMA

Hello Herman,

Can you please elaborate and suggest me how do I code AMA to give me the same exact result as that of EMA as I have never used AMA before.

I am looking to code to replicate ema of period 10 and 30.

Thanks and regards,

Raajesh

Herman <psytek@xxxxxxca> wrote:
use AMA()

herman

Wednesday, May 23, 2007, 10:25:14 PM, you wrote:

>
Hello,

I tried resetting the ema to todays first bar close. Got a code from Herman showing resetting of T3 using AMA.

I tried to incorporate changes but got error as EMA accept only numbers as periods..

Can anybody help me get around it?

function em( Price, Periods )
    {
    emresult = EMA(C,periods);
    return emresult;
    }

function emr( C, emPeriods, ResetReference )
    {
    global NewDay;
    CPrice         = IIf(NewDay, ResetReference, C );
    emPeriods = Min( emPeriods, BarsSince(Newday));
    emPeriods     = IIf(NewDay,1, emPeriods );
    emResult = EMA(CPrice,emPeriods);
    return emResult;
    }

emPeriods         = Param("EMA Periods",3,1,10,1);
NewDay            = DateNum()  != Ref(DateNum(),-1);
ResetReference    = C;
AC5 = emr( C, emPeriods, ResetReference );
Plot(C,"",2,128);
Plot(AC5,"ac",1,1);

Regards,

Raajesh


 



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