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Thread: W O W ! ! ! !
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Old 03-31-2017, 04:23 PM   #363
Cratos
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Join Date: Jan 2004
Location: The Big Apple
Posts: 4,252
Quote:
Originally Posted by rsetup View Post
It doesn't.

The delta is just a calculation from TRAKUS that is based on total distance traveled. The calculation is trivial. It's merely a comparison of the distance covered by the winner and each of the other horses in the race. I'm hard pressed to understand why this couldn't also be done for a group of races.

Let's do one:

DWC DAY

Race 2 2000m on the dirt. Distance covered by the winner: 2035 meters

Rac 9 DWC 2000m on the dirt. Distance covered by the winner: 2039 meters.


DELTA race 1 to race 9:

Let's do the math:

2035 - 2039 = - 4 meters

Make sense?

p.s. in a thread where the point being advanced by the majority is that Arrogate not only was compromised by the bad start but had an extremely wide trip, one would think that a comparison of his total distance covered to that of the others in the race, in other worlds DELTA for the race in question, would be the way to advance the argument.
Your suggestion is well thought, but it wouldn't be of much value across races because Trakus measures a race distance with a series tangent vectors with each vector length being the displacement between points and to minimize the rewriting of data for each horse they use a “delta” which essentially does the same thing.

To go across races they would have to calibrated each race with respect to environment conditions and normalized; and even then, I don’t see the value because horses individually are so dissimilar.
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