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Mark Johnson wrote:
<<His book "What Works on Wall Street" advocates a REPETITIVE, MECHANICAL,
HUMAN-JUDGEMENT-FREE approach. This is what beats the intuitive-judgemental
loosey goosey seat of the pants method.
Mechanical beats intuitive. That's the thrust of his book. Backtesting is
a minor detail, a teeny piece of the
machinery tucked away under the hood.>>
Hmmm... Would that be sort of like a spark plug? Or a carburetor, maybe?
Good trading,
The Omega Man
How did O'Shaughnessy decide which strategies work and which don't?
-----Original Message-----
From: Mark Johnson <janitor@xxxxxxxxxxxx>
To: omega-list@xxxxxxxxxx <omega-list@xxxxxxxxxx>
Date: Monday, October 12, 1998 5:09 PM
Subject: O'Shaughnessy doesn't advocate backtesting
His book "What Works on Wall Street" advocates
a REPETITIVE, MECHANICAL, HUMAN-JUDGEMENT-FREE
approach. This is what beats the intuitive-judgemental
loosey goosey seat of the pants method.
Mechanical beats intuitive. That's the thrust of his book.
Backtesting is a minor detail, a teeny piece of the
machinery tucked away under the hood.
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