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Hi Tom,
I'm trying to plot the formula you suggested for Sum of Volume and get
zero for either plot. The formula (after I corrected a missing
parenthesis) doesn't elicit an error message, so I assume it's
ok...but I am new to Metastock formulas and I don't know where to
start to troubleshoot it. Can you suggest anything I could have done
wrong?
This is the formula pasted from my Indicator Builder:
pds:=20;
upday:=If(C>Ref(C,-1),V,0);
dnday:=If(C<Ref(C,-1),V,0);
upvol:=Sum(upday,pds);
dnvol:=Sum(dnday,pds);
==========================
Checking in the Data Window, the entry Sum of V shows "N/A". Should
there be two plots (upvol and dnvol) or am I missing a plot statement
in the formula(I'm used to Easy Language, Tradestation, where you have
to put in a plot statement to get a plot.
Regards,
jc
--- In equismetastock@xxxxxxxxxxxxxxx, "Tom Sprunger"
tlsprunger@xxxx> wrote:
> Try something like this.
>
>
> pds: =20;
> upday:=if(c>Ref(c,-1),V,0);
> dnday:=if(c<Ref(c,-1,V,0);
>
> upvol:=sum(upday,pds);
> dnvol:=sum(dnday,pds);
>
>
> The above defines an upday as today's close above yesterday's. If
you
> define it as today's close above today's open, then change to
> upday:=if(c>o,V,0); etc.
>
> This should do it for you.
>
>
> Tom
>
> ----- Original Message -----
> From: "c_cruizer" <no_reply@xxxxxxxxxxxxxxx>
> To: <equismetastock@xxxxxxxxxxxxxxx>
> Sent: Sunday, January 30, 2005 8:19 PM
> Subject: [EquisMetaStock Group] Re: Sum of Volume
>
>
> >
> >
> > Thanks Preston, but that also is not what I'm trying to do. The
> > challenge is to sum up the values during a period of time for
those
> > values that only occur on a closing up tick (or down tick).
> >
> > I don't know if this will show correctly, but this is what I'm
trying
> > to do.
> >
> > day 1 - 7 total
> > upvol 79 88 41 50 258 up
> > downvol 94 55 42 191 down
> > 449
> >
> >
> > day 2 - 8
> >
> > upvol 88 41 50 179 up
> > downvol 94 55 42 86 277 down
> > 456
> >
> > upvol plot day 7 = 258
> > upvol plot day 8 = 179
> >
> > I would then either plot the upvol or use it in other formulas.
> >
> > In the Perl programming language, it's not too difficult to write.
> > But the MetaStock language isn't as flexable. (At least not for
me.)
> >
> > --- In equismetastock@xxxxxxxxxxxxxxx, pumrysh <no_reply@xxxx>
wrote:
> >>
> >> Would this help?
> >>
> >> {RSI Volume}
> >> pds:=Input("periods",1,500,5);
> >> RSI(VOLUME,pds)
> >>
> >> Preston
> >>
> >>
> >
> >
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
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