Impact Factor versus true probability
What is the definitions of the impact factor calculation introduced by Quirin?
Are there any other alternative definitions that are better?
How do these IFs compare to "true" win probabilities of a horse racing factor or can they be adjusted to do so and how?
What i am getting at, say, for example of last time out winners (LTOW) is that in some races there will be several LTOWs but in some races none at all. That needs correcting for, to find a "true" probability of the LTOW factor.
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