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Roy:
So you are teaching me how to fish rather than giving me
a fish :)
Bob
Original Message:
-----------------
From: Roy Larsen rlarsen@xxxxxxxxxxxxxx
Date: Sun, 9 Feb 2003 19:18:42 +1300
To: Metastockusers@xxxxxxxxxxxxxxx
Subject: Re: [Metastockusers] MS Formula Question
Bob
I thought the signals would be identical but thought it better to offer a
method for you to establish that fact for yourself. Sometimes what appears
logical isn't logical at all, and I think you'll agree that a simple test
like this saves a lot of confusion and time.
Roy
> I tried it for two different forumla pairs;
>
> The first pair to plot a 10 day simple moving average that
> is adjusted one day back:
>
> #1
> SMA:=Mov(CLOSE,10,S);
> Ref(SMA,-1);
>
> #2
> Mov(Ref(CLOSE,-1),10,S);
>
> Both indicators graphed on top of each other, proving that
> they are equivalent.
>
> The second pair is a plot of the moving average oscillator
> adjusted one day back. This formula is from Cedar Creek
> Trading:
>
> #1
> Output:=Mov((Mov(C,3,E) - Mov(C,13,E)),3,S);
> Ref(Output,-1);
>
> #2
> Mov((Mov(Ref(C,-1),3,E) - Mov(Ref(C,-1),13,E)),3,S);
>
> Each indicator was graphed into a separate window, then #2
> was dragged and dropped into the window of #1. Both indicators
> graphed on top of each other.
>
> This shows that both methods of using Ref produce the same
> results.
>
> Bob
>
> -----------------------------------------------------------------
>
> Original Message:
> -----------------
> From: Roy Larsen rlarsen@xxxxxxxxxxxxxx
> Date: Sun, 9 Feb 2003 12:27:10 +1300
> To: Metastockusers@xxxxxxxxxxxxxxx
> Subject: Re: [Metastockusers] MS Formula Question
>
>
> Bob
>
> Get a little daring - dump both your formulas into one test indicator and
> see if your two signals are identical or not. This is a very simple
exercise
> and as well as a visual check you can use the data window to verify data
> values for two or more signals.
>
> Roy
>
> > I have a Metastock formula question using the ref function.
> > I want to graph the slope of a moving average. Here are two
> > possible formulas. Do they have the same affect?
> >
> > #1
> > SMA:=Mov(CLOSE,10,S);
> > SMA-Ref(SMA,-1);
> >
> > #2
> > Mov(CLOSE,10,S)-Mov(Ref(CLOSE,-1),10,S);
> >
> > The bigger question is does it matter where I apply the Ref
> > function? Either the ref -1 when calculating the second
> > moving average shown in example #2, or doing a ref -1 on the
> > results of the first moving average shown in example #1?
> >
> > This becomes an issue when dealing with complicated formulas
> > such as a sine moving average or an adaptive moving average.
> > Example #1 is easier to code and understand.
> >
> > I hope that my question is clear.
> > Thanks.
> >
> > Bob
> >
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> >
> >
>
>
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