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Re: Precision and MS calculations



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Guy,  what do you mean by a confirming sell?  Is it when you already have a
position on and you get a reinforcing signal on a different time frame?

James

----- Original Message -----
From: "Guy Tann" <grt@xxxxxxxxxxxx>
To: <metastock@xxxxxxxxxxxxx>
Sent: Sunday, August 27, 2000 12:36 AM
Subject: RE: Precision and MS calculations


> Steve,
>
> I forgot to add that we just got a confirming Sell for Friday morning.
> Maybe this trade will make us a few dollars yet. :)
>
> Guy
>
> Never be afraid to try something new. Remember, amateurs built the ark,
> professionals built the Titanic.
>
> -----Original Message-----
> From: owner-metastock@xxxxxxxxxxxxx
[mailto:owner-metastock@xxxxxxxxxxxxx]On
> Behalf Of Steve Karnish
> Sent: Friday, August 25, 2000 6:04 AM
> To: metastock@xxxxxxxxxxxxx
> Subject: Re: Precision and MS calculations
>
> Guy,
>
> Too much Stroth's beer at an early age.
>
> Steve Karnish
> Cedar Creek Trading
> http://www.cedarcreektrading.com
> ----- Original Message -----
> From: Guy Tann <grt@xxxxxxxxxxxx>
> To: Metastock User Group <metastock-list@xxxxxxxxxxxxx>
> Sent: Thursday, August 24, 2000 9:11 PM
> Subject: Precision and MS calculations
>
>
> > List,
> >
> > Well I gave up and went back to square one.  I couldn't figure out how a
> > variable could calculate correctly from 12/11/99 to 8/9/00 and then fail
> the
> > next day and then work correctly again.  First I wrote 7 Clipper
programs
> > which I used to print out each variable.  I checked my MS calculations
for
> > each variable against these printouts.  The first 8 variables calculated
> > correctly.
> >
> > The ninth variable didn't!  What was weird was that every day calculated
> > correctly until the 2nd day from the end.  I double-checked the inputs
and
> > they were in complete agreement (I exported my MS data into Clipper to
> > insure both systems that were using the same data).  I then went back
and
> > double-checked each value that was part of this calculation.  One of my
> > variables was off slightly for one of these days.  I went back and
recoded
> > my MS code and broke the calculation into 6 steps to equal the code in
the
> > Clipper program.  So now I have identical code in both modules and you
> would
> > think that the results would be identical.  Wrong, buckwheat!
> >
> > For the life of me, I'm at a loss.  It's probably something to do with
MS
> > and precision, but in this case, following rounding, I use Int() to
> capture
> > only the whole number and drop any fractions.  If anyone has a
suggestion,
> > I'm open to it.  Our numbers are too sensitive to not be able to trust
the
> > results of a simple calculation.  If this was a complex calculation, I
> might
> > possibly understand a variance.  In this case the correct answer is -3
> (and
> > yes, I did calculate it manually to make sure) while MS came up with -2.
> > I think I'm going to take a day off and clear my head.  This is why I
get
> so
> > frustrated trying to use MS.  How could a program calculate correctly
for
> > 99.994% of the time and then blow it on that one day?
> > Tomorrow, I'm planning on printing out the intermediate results from
both
> > Clipper and MS to see if I can see where this thing is going wrong.  I'm
> too
> > tired tonight.
> >
> > I need a break.  Where did I put that beer?
> >
> > Guy
> >
> > Never be afraid to try something new. Remember, amateurs built the ark,
> > professionals built the Titanic.
> >
>
>
>