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I'm
running the test against 1000 or more securities. Best I can tell,
the number of tests quoted by MS = opt1 values * opt2 values * #
securities.
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If I
run the test using integer variables, it works fine.
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If I
run the test using decimal variables, sometimes it goes forever.
When I say "forever", I mean a couple of days when it should be a couple of
hours.
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<FONT face="Times New Roman"
size=2>-----Original Message-----From: Joe J.
[mailto:jojab@xxxxxxxxx]Sent: Saturday, March 01, 2003 8:57
PMTo: equismetastock@xxxxxxxxxxxxxxxSubject: RE:
[EquisMetaStock Group] MS8 - never-ending
optimizationsAre you running this on more than
security or on more than one timeframe? MS counts those separately so if
it says it is going to run 40 tests on one security, that means 80 on two
(even though it says 40 tests have to be run).As for your other
question (how to cut down the computing time). You could put them in a
formula and then reference that formula and variable using the FmlVar()
function. I never seem to have a problem with PC power in running these
tests so I don't know if it will make a difference or not but you could try
it.Good Trading,Joe J.-----Original
Message-----From: Chuck Rademacher
[mailto:chuck_rademacher@xxxxxxxxxx]Sent:
Sat 3/1/2003 3:32 PMTo:
equismetastock@xxxxxxxxxxxxxxxCc:
Subject: [EquisMetaStock Group] MS8 -
never-ending optimizationsHave any of you seen the situation where MS8
will keep optimizing after it is supposed to be finished? It might
tell you that there will be 1200 tests, but it keeps going after it has
completed the 1200 tests.My own diagnosis is that it has trouble with
precision if you are using decimals in your OPT values.For instance, I
am doing an optimization using a range of 0.01 to 0.05 increment by
0.01. My feeling is that, due to inprecision in the way MS stores
these values, it never gets exactly 0.05 and keeps going.I think that
I have fixed the problem by using a range of 1 to 5 for OPT1 and then dividing
by 100 in my actual buy/sell syntax.Has anyone else seen this
problem? How have you managed to get around the
problem?CheersYahoo! Groups
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