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Hi Nigel and Graham,
Many thanks for your answer, in fact it also fix the puzzle that I have
which is I meant to have the last 20 bars close above each of their MA but
wrongly code it in using current MA :p.
This is really an awesome group.
Many thanks
KK
----- Original Message -----
From: "Nigel Rowe" <rho@xxxxxxxxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Thursday, February 12, 2004 7:40 PM
Subject: Re: [amibroker] Need a shorter method ?
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> If you meant 20 previous closes above the *current* MA,
>
> - --8<--
> period = 10;
> nbars = 20;
> aboveMA = LLV(C,nbars) > MA(C,period);
> - --8<--
>
> if you meant close has been above MA for 20 bars
>
> - --8<--
> period = 10;
> nbars = 20;
> aboveMA = sum(C>MA(C,period), nbars)==nbars;
> - --8<--
>
> Does this help?
>
> Nigel
>
> if you meant
> On Thu, 12 Feb 2004 19:27, kk2628 wrote:
> > Hi,
> >
> > I want to make sure all the previous 20 bars close are above a 10-day
MA,
> > currently I am using a lengthy method to code AFL and I appreciate if
> > someone can share with me the shorter way to code.
> >
> > Lengthy way
> > 10ma=ma(10,C);
> > aboveMA = ref(C,-1)>10ma and ref(C,-2)>10ma and
> > ref(C,-3)>10ma................
> >
> > Thanks
> > KK
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>
>
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