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View Poll Results: Was this useful?
Yes, it was! It helped point out diamonds in the rough 109 70.32%
No, its numbers generally did not correspond to robot's actual on-field performance 46 29.68%
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Unread 06-03-2009, 10:11
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Re: Easy to use Offensive Power Rankings (OPR) program for mid-regional scouting

Quote:
Originally Posted by SteveGPage View Post
I have a general question that I would love for you all to consider. I am a firm believer in the OPR/DPR concept, and included it in our team's scouting application. But what I found was that in this game, ALLIANCE data in a match is not that helpful.
Any team that scouts entirely off of the output of this program (or any OPR program) is doing something wrong. Personally, I use it to get a quick idea of which robots to watch if I'm watching a webcast and haven't been following an entire regional. I completely second your recommendation of in-person scouting. Just like the FRC rankings system often fails an otherwise good team, the OPR ranking algorithm can screw up too.

Quote:
If a really good team has an alliance with two essentially non-functional robots in 2 or 3 of your matches - the numbers look terrible for that team.
That's not necessarily true. If your two non-functional alliance partners are consistently non-functional, then your OPR should be unaffected. The main thing that throws off OPR is inconsistency. If an very good team has a battery fall out during a match, then it affects their alliance partners' OPR scores quite badly, because it 'looks' to the algorithm like their presence resulted in a massive reduction in their alliance's score.

Last edited by Bongle : 06-03-2009 at 10:14.
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