Quote:
Originally Posted by Ether
I just ran the OPR numbers using the data you linked in your earlier post. I came up with 6919 of 8921 matches correctly "postdicted", or 77.56%
Our numbers are very close, but I had expected them to be identical.
Here's a link to an XLS spreadsheet.
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The differences are how we're calling tied matches. The way you're calculating if OPR "correctly" predicted falls apart when the actual result of the match was a tie. Almost always, the OPR will not predict a tie.