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#1
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Re: IYO, whats most important
The one thing that no one ever list in scouting but is one of the most important factors is reliability. I don't care if the robot scores a hundred balls a match if I can't count on you being out there for the next three because it's a fragile as china.
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#2
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Re: IYO, whats most important
While all exterior data should be recorded, especially given the random pairing of opponenets and allies in qualifications, there is ultimately only one stat that matters.
In hockey terms, "+/-". How many points did they score (counting their human player) and how many were scored on them? Assuming an evened schedule (of not only the "quality" of teams, but the play styles as well), this will show what teams are the best. Now, given a 7-12 match sample size, it's unlikely that a perfectly balanced schedule will be constructed. So, keep track of who the opponents and allies were, what their play styles were, and how they complimented/detracted eachother. Look for outliers, and note the factors. Did a bot break down (on either alliance)? Did they have an alliance partner pin the opponent to help them score? Did they get pinned? Note these outliers to see what play styles will best complimented their abilities, and use that knowledge to your advantage. |
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#3
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Re: IYO, whats most important
I'll separate these out into relevant vs totally non-relevant. Past there, the ranking will be different for each team depending on their strategy. We'll also assume reliability & ability to communicate with their alliance is up there, as those are an 'every year' kind of thing.
Relevant attributes: Balls Scored Human Player Balls scored Empty Cell transported Traction (gives the ability to push/pin vs other robots) The rest are irrelevant or are a result of performing something from the list above: Autonomous Balls Scored (strategy dependent) Balls in own trailer - this is an iffy one -- it's extremely difficult to control how well your opponents perform, especially with the pinning nature of this game Balls Shot Scoring percentage (Balls Scored/Balls Shot) Human Player Balls Shot Human Player Scoring percentagae Speed Strength Super Cell Scored Driving Skill |
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#4
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Re: IYO, whats most important
It's important to remember that you're scouting with volunteer labor (typically anyways). If you make them record minute details, your scouts will get bored, which will affect their accuracy on the statistics that matter, and may simply rebel and stop recording period. We use mostly parents as round scouts (we're a small team, students are busy keeping the robot running!), and most of them aren't involved much with the game, so we keep it simple.
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#5
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Re: IYO, whats most important
I'll second this. Reliability is one of the most important things we take into account for our scouting. We watch every match a team has, and if they are having a lot of mechanical failures that is often one of the first teams removed from our list.
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#6
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Re: IYO, whats most important
...and yet how do you quantify reliability? If not quantified, how do you assure that you're making non-biased decisions?
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#7
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Re: IYO, whats most important
Quote:
Let's say that a team is scoring 30-40 points per match, and then suddenly, for a match or two, they go down to 10-20. Then they go back up to 30-40 for a match or two, then down, then up. That's an almost surefire indicator that they are not reliable. It may be that it's different drive teams, or it may be something much more serious. Track me so far? If a team is consistently getting broken, your scouts can also note that. The team's performance will suffer if they can't fix their robot for the next match. There are a number of ways to do this, but you can almost certainly do it with the data you already collect. For me, my biggest concerns this year are: 1: reliability; 2: points scored; 3: points scored on; 4: presence (or not) of an automode. 5 would be collected vs scored; 6, the HP. Other than that, where do they load up? |
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#8
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Re: IYO, whats most important
Simple. You create a "range" of scores you deem to be reliable (say, a range of +/-15 points from average). You see how many scores fall within that range of their average score and how many do not. You can then rank teams by reliability.
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#9
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Re: IYO, whats most important
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Then of course, it will be up to the scouts who are watching to eliminate out any outliers from the data. Outliers are matches in which (for example) both of your alliance partners did not work, which is not typical of a match your team is capable of, hence the reason for the very low score. Last edited by JesseK : 11-02-2009 at 09:11. |
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#10
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Re: IYO, whats most important
I agree with what Sean is saying.
However, there is/will be a type of robot that does not score, but may produce scoring attempts. The "little box on wheels" bot, that will be able to (try) and pin an opponent in hopes that their teammates can come and score on said opponent. On a robot like this, speed/traction/driving skill/effectiveness/reliability will all be the MAIN factors, not the irrelevant ones. |
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#11
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Re: IYO, whats most important
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While this introduces additional variables (who were their partners), those variables should be able to be defined by the other data you have collected. For example. Boxbot A is paired with Scorebot A. If Boxbot A's alliance +/- is considerably higher than usual, it's likely that Scorebot A played a role in that. If Scorebot A's individual +/- is considerably higher than usual, it's likely that Boxbot A played a role in that. Reality will be more complex (you'd have to look at how good the opponents are at defense, the 3rd partner, etc), but you get the idea. |
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#12
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Re: IYO, whats most important
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Alliance +/- will reflect this if we assume even alliance distribution. However, me and you both know this often isn't the case, and teams +/-'s may be skewed depending on whether they consistently are with or against good robots. |
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#13
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Re: IYO, whats most important
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It's something you'd review friday night (maybe saturday for procrastinators) to compile your pick lists, not the pick list in itself. I see as much value in the outliers as I do in the averages. As you review the data, if you notice that time after time scoring teams have good matches when paired with Boxbot A, you might want to pick Boxbot A. +/- serves as a statistic that will enable quick evaluation of the total data. It will enable you to see how consistent robot's are, as well as quickly identify outlier matches so you can determine what caused them (whether it be a mechanical failure, match-up against strong opponents, or a good partner). |
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#14
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Re: IYO, whats most important
Quote:
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#15
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Re: IYO, whats most important
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With this data, could you not tell which robot increased it's partners +/- rating by the most (or highest average increase) ? And wouldn't that show you a robot that may be a great fit for scorers even though itself may not be a prolific scorer? |
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