Quote:
Originally Posted by Ether
Not to shock you, but OPR requires finding the least-squares solution to N simultaneous equations, where N is the number of teams in the data set being analyzed. N can vary from approx 50 if analyzing only one event, all the way up to over a thousand if doing end-of-season combined analysis for all events.
This type of data processing is widely used in many fields to process raw data to gain insight. It's not the solving of simultaneous equations that affects the usefulness of the resulting statistics. It's the assumptions that go into building the model. In the case of OPR for FIRST, the scoring method can have a strong effect on the usefulness of OPR.
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One upped again by Ether
. I definitely didn't mean to downplay any of the thought that went into forming the OPR algorithm, but my old team has been on the bad end of OPR inconsistencies, so I wanted to make a call for an accurate calculation based on actually counting each individual robot's score.