Quote:
Originally Posted by Paul Copioli
Our division had only 14 teams with a positive "plus/minus". Plus/minus (for our team) is the number of points scored by the robot minus the number of points in the robot's trailer. This year it is the biggest indicator of a team's contribution. Obviously, for pure defensive bots we only look at points scored in their trailer as +/- will, by definition, always be negative.
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Paul,
Thanks for explaining your scouting and selection philosophy and posting your scouting data and selection list on the other post. It helps us understand how good teams select their partners.
I must say that I am very surprised you do not take into account how many moon rocks the human players attempted and scored. According to Team 188's scouting database, your human player do not attempt to score very often because your strategy is to have the human player feeds moon rocks into your robot. However we can not say that for other teams. Using your data in the raw data sheet, if you sum column F which is Moon rock scored by robots in all the matches you get 2354. And if you sum column J which is Moon rock in trailer you get 5080. This shows that only 46% of the moon rocks are scored by robots.
If we look at Team 188's database, the human player percentage ranges from 21% to 77% with a mean of about 47 and standard deviation of about 10. Since human players scored 54% of the moon rocks, picking a team that has a 60% shooter rather than a 30% shooter in a 100 point game would mean a difference of 16 points, which is quite significant. In past years the role of human player to scoring is limited. I don't know what percentage the human player should contribute to the score in an ideal game. I feel that this year their contribution to the final score is on the high side and thus scouting data should not ignore them. Another observation I have is robots can be defended but you can not defend against a good human player. They just keep putting moon rocks into trailers.
Ed