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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
>>
>>
>
>
>
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>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
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