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Roy,
I think it works because LLV(array,period) needs the scalar variable
that LastValue retrieves
from the BarsSince array.
Bob
-----Original Message-----
From: Roy Larsen [mailto:rlarsen@xxxxxxxxxxxxxx]
Sent: Friday, April 04, 2003 1:29 PM
To: Metastockusers@xxxxxxxxxxxxxxx
Subject: Re: [Metastockusers] Formula Assistance
cbfrish
Modifying the formula from Makridis Spyros as below should be even more
useful.
up:=BarsSince(RSI(9)>70);
up:=If(up=0,1,up);
LLV(RSI(9),LastValue(PREV+up-PREV));
The use of LastValue() allows a variable to be used as a constant that
is
uniform for the entire chart, and combining it with +PREV-PREV allows
the
current value to be used as a constant. Don't ask me why this works, or
why
it only works with some applications because I don't know. This appears
to
be one of the applications where it does work so you're in luck.
BarsSince() can return "zero" so it's necessary to adjust it because the
LLV
for "zero" periods will not return a useful value.
Thanks to Corey Saxe for this interesting solution.
Roy
----- Original Message -----
From: "Makridis Spyros" <MAKRISPY@xxxxxxxxx>
To: <Metastockusers@xxxxxxxxxxxxxxx>
Sent: Saturday, April 05, 2003 3:09 AM
Subject: Re: [Metastockusers] Formula Assistance
> up:=BarsSince(RSI(9)>70);
> LLV(RSI(9),LastValue(up))
> ----- Original Message -----
> From: "cbfrish" <cbfrish@xxxxxxxxxxx>
> To: <DEFANGED_Metastockusers@xxxxxxxxxxxxxxx>
> Sent: Friday, April 04, 2003 4:39 PM
> Subject: [Metastockusers] Formula Assistance
>
>
> > Hello, all. I've just found this group and am asking for some
> > assistance.
> >
> > In an exploration I'm working on, I've defined a variable
> > as "up:=BarsSince(RSI(9)>70);".
> >
> > In employing this variable in the expression
> > "LLV(RSI(9),up)", I get the following error
> > at the point of using "up": "This variable or
> > expression must contain only constant data."
> >
> > I was of the understanding that the variable "up" as
> > defined would return a constant, i.e. the number of
> > bars since RSI(9)>70 last occurred, which would be
> > useable as employed.
> >
> > Can the group please help me understand what's wrong? Thanks in
> > advance.
> >
> >
> >
> >
> >
> > To unsubscribe from this group, send an email to:
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> >
> >
> >
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http://docs.yahoo.com/info/terms/
> >
> >
> >
>
>
>
>
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