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Unread 29-04-2013, 19:19
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Jason Jones
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Re: Best way to estimate the best defense bot

Quote:
Originally Posted by dellagd View Post
Im sprucing up our scouting system for our next event and would really like do work defense into it.

As of now, we have 6 scouts (+ a head scout but he/she does different things), and they all watch every match.

I have heard of DPR, and have a crude understanding that its basically the same calc as OPR but using the opponents score, but Ive heard this is inaccurate.

I could give each scout a slider of 1 - 5 in "How well does robot play defense", but this is purely objective.

How does your team do it? Is DPR actually useful?
I'm a newbie at scouting, but after working this year with a student to create a scouting system for our team to use, we have determined that OPR is the single best indicator of the offensive/defensive capability of a robot. OPR is misnamed. Everything we have tested indicates that it accounts for both the offensive and defensive contributions of a robot to a high degree of accuracy. While there are some weaknesses with OPR the advantages are that it is easy to calculate with available data that doesn't need to be scouted, and when combined with data from your scouts can give you a perfect idea of the offensive and defensive contributions of a robot. DPR is also misnamed and therefore seems inaccurate when used to describe how good a robot is defensively. DPR isn't simply a defense ranking, and if you try to use it that way will always seem inaccurate.
 


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