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JackS 18-04-2013 15:45

Re: 2013 NE FIRST District Rankings
 
Quote:

Originally Posted by smistthegreat (Post 1264071)
If you're using the NY teams as a test for this year, you can throw in 229 and 4124 too as they both competed exclusively in NE this season.

Code:

Qual Win: 2
Qual Tie: 1
Elim Win: 5
Elim Tie: 0
Awards: 10

RCA, EI, RAS given auto qual to NE CMP

The following NY teams were in/near top 30 and were included: 20,229,2791,4124.

Code:

Rank        Team        State        Pts        OPR        Regionals
1        20        NY        133.0        61.1        MAWO, CTHA
2        125        MA        90.7        51.8        FLOR, MABO, MELE
3        2648        ME        90.0        56.5        MAWO, MELE
4        3280        RI        88.0        18.1        MAWO
5        1519        NH        82.0        64.1        NHMA, NCRA
6        1100        MA        81.0        37.0        MAWO, MABO
7        4124        NY        80.0        36.0        NHMA
8        2791        NY        79.0        37.3        NHMA, MAWO
9        230        CT        73.0        44.9        NHMA, CTHA
10        3467        NH        72.0        72.8        NHMA, MELE
10        885        VT        72.0        39.6        NHMA
12        61        MA        68.0        26.8        NHMA
13        1153        MA        66.0        48.0        NHMA, MABO, MELE
13        3609        ME        66.0        22.2        NHMA, MELE
15        2168        CT        65.0        43.1        MAWO, CTHA
16        155        CT        64.0        25.5        MAWO, LAKE
17        172        ME        63.0        33.5        NHMA, MELE
18        126        MA        62.0        73.9        MAWO, MABO
19        195        CT        60.0        62.3        VARI, CTHA
20        1991        CT        59.0        47.3        NHMA, CTHA
21        175        CT        58.0        41.4        NHMA, CTHA
22        4473        ME        56.0        28.0        MELE
23        228        CT        55.0        54.3        MAWO, CTHA
24        176        CT        54.0        40.0        NYRO, MELE
24        3930        ME        54.0        15.6        MAWO, MELE
26        236        CT        52.0        52.7        CTHA
26        3205        MA        52.0        24.9        MAWO
28        3958        MA        51.0        41.6        MAWO, MABO
29        1699        CT        50.0        27.7        MDBA, CTHA
30        4564        ME        48.0        33.1        MELE
30        3780        RI        48.0        18.2        MABO
30        3525        CT        48.0        26.8        CTHA, MELE
33        177        CT        47.0        53.3        MAWO, CTHA
34        69        MA        46.0        39.9        MABO, MELE
34        2067        CT        46.0        42.9        MAWO, CTHA
34        558        CT        46.0        40.7        MAWO, CTHA
34        2349        MA        46.0        27.7        MABO
38        4761        MA        44.0        14.6        MABO
38        133        ME        44.0        38.3        NHMA, MELE
38        95        NH        44.0        11.8        NHMA, CTHA
38        1784        CT        44.0        19.7        CTHA
38        3654        CT        44.0        5.2        MAWO
38        4812        CT        44.0        13.6        CTHA
38        229        NY        44.0        41.7        NHMA, MABO
45        131        NH        42.0        50.8        NHMA
46        58        ME        41.0        50.4        NHMA, MELE
47        4557        CT        40.0        17.2        MAWO
47        2877        MA        40.0        19.7        MAWO, MABO
47        1277        MA        40.0        29.9        NHMA
47        2370        VT        40.0        9.3        MAWO
51        571        CT        39.0        18.5        MAWO, CTHA
52        1073        NH        38.0        26.5        NHMA, MELE
53        1517        NH        37.0        25.2        NHMA, QCMO
53        3182        CT        37.0        20.8        MAWO, CTHA
55        2423        MA        36.0        17.3        MABO
55        4609        RI        36.0        -1.3        CTHA
57        138        NH        35.0        26.6        NHMA, DCWA
57        1071        CT        35.0        28.6        CTHA, MELE
59        4055        CT        34.0        20.3        CTHA, MELE
59        88        MA        34.0        17.7        SCMB, MABO
61        78        RI        33.0        38.4        NHMA, MELE
61        1735        MA        33.0        21.1        MAWO, DCWA
63        121        RI        32.0        27.3        MAWO
63        151        NH        32.0        24.8        NHMA
63        1512        NH        32.0        20.0        NHMA
63        839        MA        32.0        24.1        MAWO, CTHA
63        1831        NH        32.0        16.5        NHMA, MELE
63        2836        CT        32.0        1.5        CTHA
63        4474        MA        32.0        -0.7        MABO
63        2064        CT        32.0        28.0        CTHA
71        1922        NH        29.0        20.7        NHMA, MELE
72        4546        NH        28.0        12.0        NHMA, MELE
72        3466        MA        28.0        16.5        MABO
72        3464        CT        28.0        35.7        CTHA
72        4793        ME        28.0        3.2        MELE
72        2342        NH        28.0        6.0        NHMA
77        2170        CT        26.0        37.1        CTHA
77        1350        RI        26.0        24.3        MABO
77        663        MA        26.0        14.0        MAWO
80        246        MA        24.0        23.1        MABO
80        3236        MA        24.0        8.1        MABO
80        3499        NH        24.0        13.0        MAWO
80        716        CT        24.0        30.5        MELE
80        1687        MA        24.0        9.1        MAWO
80        1768        MA        24.0        15.2        MABO
80        2871        MA        24.0        28.0        MABO
80        3104        CT        24.0        13.2        CTHA
80        3323        NH        24.0        26.5        NHMA
80        3479        MA        24.0        3.1        MABO
80        3718        CT        24.0        19.4        CTHA
80        1099        CT        24.0        -14.0        MABO
92        157        MA        22.0        33.3        MAWO, MELE
92        4176        MA        22.0        19.3        MABO
94        1027        MA        21.0        9.0        SCMB, CTHA
95        2876        MA        20.0        22.1        MABO
95        97        MA        20.0        17.2        MABO
95        1761        MA        20.0        15.7        MABO
95        181        CT        20.0        23.3        CTHA, MELE
95        1965        MA        20.0        22.2        MABO
95        23        MA        20.0        14.8        MABO
95        173        CT        20.0        13.3        MAWO, CTHA
95        213        NH        20.0        24.5        NHMA
95        348        MA        20.0        18.4        MELE
95        509        NH        20.0        8.6        NHMA
95        2079        MA        20.0        -4.9        MABO
95        2084        MA        20.0        14.0        MABO
95        3927        MA        20.0        -3.7        MABO
95        4042        ME        20.0        3.5        MELE
109        190        MA        19.0        21.4        MAWO, ONTO2
109        999        CT        19.0        4.6        NYNY, CTHA
111        501        NH        18.0        -5.5        MABO
111        3597        ME        18.0        10.7        MELE
111        4311        MA        18.0        13.5        MABO
111        4410        MA        18.0        15.6        MAWO
115        1058        NH        17.0        18.8        NHMA, MELE
116        238        NH        16.0        13.1        NHMA, MDBA
116        319        NH        16.0        34.8        NHMA, MELE
116        1247        NH        16.0        3.8        NHMA
116        1474        MA        16.0        25.7        MABO
116        1757        MA        16.0        7.4        MABO
116        1973        MA        16.0        -0.5        NHMA, MABO
116        2523        VT        16.0        4.4        MABO
116        2713        MA        16.0        12.3        MABO
116        3634        CT        16.0        0.5        CTHA
116        4041        ME        16.0        17.2        MELE
116        4097        MA        16.0        16.0        CTHA
127        3566        MA        15.0        17.8        NHMA, MELE
127        3585        NH        15.0        2.5        NHMA, MELE
129        166        NH        14.0        12.8        NHMA, DCWA
129        237        CT        14.0        13.7        NYNY, CTHA
129        3146        CT        14.0        21.5        MAWO, CTHA
129        4048        MA        14.0        11.1        MABO
133        178        CT        13.0        23.9        VARI, CTHA
134        467        MA        12.0        1.2        MAWO
134        1307        NH        12.0        2.4        NHMA
134        1740        CT        12.0        7.9        CTHA
134        2104        MA        12.0        5.6        MAWO
134        2262        MA        12.0        -3.8        MABO
134        2621        MA        12.0        1.8        MAWO
134        3451        ME        12.0        11.5        MELE
134        3461        CT        12.0        9.4        CTHA
134        4034        NH        12.0        8.0        NHMA
134        4151        MA        12.0        0.8        MABO
134        4555        ME        12.0        16.0        MELE
134        4628        CT        12.0        -2.4        CTHA
146        1289        MA        10.0        14.6        MAWO, CTHA
147        4572        CT        8.0        -8.1        CTHA
147        529        MA        8.0        1.9        MABO
147        811        NH        8.0        -3.4        NHMA
147        1124        CT        8.0        5.5        CTHA
147        1721        NH        8.0        -0.5        MABO
147        1729        NH        8.0        -0.2        NHMA
147        1754        MA        8.0        1.2        MABO
147        2785        CT        8.0        7.9        CTHA
147        4796        MA        8.0        -0.5        MABO
156        3555        CT        6.0        8.5        CTHA
157        3623        MA        4.0        -3.5        MAWO
158        3719        CT        0.0        -5.9        CTHA


Ken Streeter 20-05-2013 17:14

Re: 2013 NE FIRST District Rankings
 
Quote:

Originally Posted by MikeE (Post 1264337)
Playing Devil's Advocate: if, as you argue, qualification W-L-T is subject to scheduling randomness, then why would you give an additional bonus via Alliance Captain points? There might be an argument for more points given to a high pick rather than a high captain, but that would obviously lead to it's own set of inconsistencies.

I actually think that in district events which have relatively small numbers of teams compared to the number of matches played (e.g. in FiM districts, with no more than 40 teams in an event, and with at least 12 matches played), the qualification W-L-T is less subject to scheduling randomness and the ranking system will do a better job sorting teams. As we see in single-day off-season events, when less qualification matches are played, seed rankings get more "noise" in them and are less well correlated to the best robots.

Have FiM teams generally found that FiM district events result in seeding rankings that are pretty good - ie, there aren't many high-seeding robots that seem out of place at FiM district events?

However, even when there is some scheduling randomness leading to a mis-sorted ranking, I think the benefit of giving bonus points to well-picked robots outweighs the harm of giving bonus points to the "lucky" captain who seeded higher than they deserved to be. There will be both more robots picked than captains (16 vs 8) and the "diamond in the rough" picks will typically gain more points relative to their pre-pick points than the "lucky" captains will.

I agree that having the "lucky" captains get alliance selection points is less than optimal, but I think this is a case where we need to go with the lesser of two evils in order to avoid throwing the baby out with the bathwater.

Quote:

Originally Posted by MikeE (Post 1264337)
Another way to look at the problem is how to devise a simple to understand system that does not change the calculus of how a team plays the game. Currently a team simply wants to be part of the strongest alliance for eliminations.

I agree that I don't like the thought that teams would change their decisions of who to pick, or who to accept, based upon the point system. I would prefer that teams simply make picking / acceptance decisions based upon the event, rather than the points system. However, as long as district points are gained in eliminations, potential in-tournament point considerations will always be a factor.

Quote:

Originally Posted by MikeE (Post 1264337)
With alliance selection points "strongest alliance" has to be balanced with getting points. Concretely would a strong team seeded #6 change it's thinking about accepting/declining if picked by a moderate team seeded #1? I would argue that sliding alliance selection points do change the calculus of alliance selection, whereas points per elimination win (or for finishing position) keep the game the same.

Even if no "alliance selection" points are issued, but points are assigned for winning matches in eliminations, we have this problem. For example, if there are no alliance selection points but getting eliminated in the finals is worth more points than getting eliminated in the semifinals (i.e. points for elimination win, as you mention), in a tournament with an emerging very strong #1 alliance (think 1114/2056), a #6 captain selected by a #4 or #5 seed has a strong motivation to decline and instead captain their own #6 alliance. The #4/#5 alliance would have very little chance to get to the finals, but the #6 alliance would have a reasonable shot, since they wouldn't face #1 in the semifinals. (By the way, I think the above scenario may have actually played out this year in at least one regional, due to the "wild card" assignment -- getting eliminated in the finals could earn a ticket to CMP at late regionals, while getting eliminated in the semifinals resulted in an ended season.)

Actually, I think with a relatively small (30-40 team) district event and many (12+) matches, the scenario you describe (of a weak #1 seed who might want to be declined by a #6 captain) is not very likely due to better sorting of teams. When it does happen, I think it would be a relatively rare event. However, I think the strong #1 alliance situation I mention above, where a #4 or #5 captain might select a #6 or #7 seed, is more likely to occur (just ask a Toronto-area team.) Then again, here in New England, we benefit from the fact that we don't have any real powerhouse teams that are way above the pack, so it might be less of an issue for us here than in some other regions.

Ken Streeter 20-05-2013 21:34

Re: 2013 NE FIRST District Rankings
 
Somewhat new theme - Philosophy of NE FIRST Points System.

I'm not entirely sure whether to start a new CD thread for this topic or continue the discussion on the NE FIRST Points System in this existing thread. I've opted to keep it in this thread, presuming that those who are interested in the NE FIRST Points System are already here...

I realize that for the NE FIRST folks, determining the points system is really one of the minor details with regard to switching to the district system. Nearly all of the work is in things like planning district event locations, times and venues; getting plans in place for sponsors and volunteers for events; figuring out a venue and organization for the NE championship, etc.

Figuring out which teams attend the NE CMP is really practically irrelevant from a perspective of switching over to the district model for the NE FIRST organizers -- regardless of which teams attend, there's an incredible amount to work through for the NE FIRST committee! However, for the teams, it is probably one of the top 5 issues of interest.

As has been mentioned previously in this thread by IKE, the real thing to look at in the rankings is the teams near the cutoff. The "obvious" teams will make the cut with nearly any points system. However, the real question is whether the teams that barely make the cut generally make sense as opposed to ones that fall just below the cut? Alas, this is actually kind of hard to evaluate without attending most of the regional events, as familiarity with which teams are more/less deserving is hard to evaluate for teams at this 75th percentile level.

When trying to figure out potential ways to assign teams points for qualification to NE CMP, I realized that it is essential to consider the philosophy of "Who Qualifies for the NE CMP."

In order to evaluate / consider different approaches for tallying up district points, it is necessary to first consider what is desired with respect to "Who Qualifies for the NE CMP?" Without knowing the goal of the "points ranking system" it is hard (impossible) to evaluate any given ranking system against that goal.

Clearly, the tautological objective of the proposed NE FIRST "points ranking system" is to determine which teams qualify for the NE CMP. But, what types of teams does NE FIRST want to qualify? Let's list a few of the potential objectives / types of teams that I have heard mentioned:
* The best robots as determined by demonstrated performance on the field
* The best teams at demonstrating the principles / ideals of FIRST
* The best robots as assessed by knowledgeable FRCers, even if they encountered bad luck in demonstrated performance
* The best robots as determined by judged awards
* The teams that would most benefit from the inspiration derived from attending the district championship
* The teams that haven't been to the district championship recently

From my understanding as an outside observer, the FiM points ranking system is specifically intended to put the best robots onto the playing field at the Michigan State Championship. This is no secret, as it is publicly stated all over the place, and is a regular point made about the FiM Championship - that it has the highest average scores of any event in the world, exceeding even the FIRST World Championship in average caliber of robot capabilities. In accordance with this, the FiM points ranking system provides more points to achievements which are highly correlated with the best robots, and less points to achievements that have less to do with the best robots. (The FIRST World Championship has more excellent robots in attendance, since it draws on robots from around the world, but the average is lowered by including not only the best robots, but also teams that have won the Chairman's Award, Engineering Inspiration Award, or Rookie All-Star award at regional events.)

The FiM leadership has intentionally assigned the point system the way it is to try to put the best robots onto the playing field at the Michigan Championship. As a result, even though FiM district winners of the district chairman's award, district engineering inspiration award, and district rookie-all-star awards get to participate in the Michigan Championship judging for those awards, only the district chairman's award winners automatically qualify to compete with their robot. District engineering inspiration awards and district rookie-all-star awards do not qualify for robot positions at the Michigan Championship, but instead qualify the team to send students to present to the Michigan Championship judges for those awards at the state level. Only district winners of those awards compete for those awards at the Michigan Championship. The Michigan State Championship winners for Chairman's Award (3 selected winners), Engineering Inspiration (1 winner) and Rookie All Star (1 winner) all qualify for the FIRST World Championship. (Such participation includes their robots at the World Championship.)

If NE FIRST's objective for the NE Championship is to have the best robots on the playing field at the NE Championship, then careful consideration should be given to simply adopt the FiM/MAR points system. I can only presume that the FiM folks have each of the different kind of points in their ranking system for a reason. Personally, I think there are good reasons for including the alliance selection points and different amount of elimination points for captains and 1st-picks, vs 2nd-picks. That said, NE FIRST may have a different perspective/objective than that of FiM, and intentionally want to do something other than seek to put the best robots on the playing field at the NE Championship. If so, that would be a good reason to do point assignments differently. Alternatively, even if the goal at NE FIRST is to put the best robots on the field, there may be other ways to determine the best robots that FiM either didn't explore, or couldn't get sufficient backing to implement. Personally, I think NE FIRST should also consider such alternate point scoring systems, but should also realize that the FiM/MAR system has been field tested quite a bit!

Kims Robot 20-05-2013 21:57

Re: 2013 NE FIRST District Rankings
 
Quote:

Originally Posted by Ken Streeter (Post 1276289)
I realize that for the NE FIRST folks, determining the points system is really one of the minor details with regard to switching to the district system. Nearly all of the work is in things like planning district event locations, times and venues; getting plans in place for sponsors and volunteers for events; figuring out a venue and organization for the NE championship, etc.

Figuring out which teams attend the NE CMP is really practically irrelevant from a perspective of switching over to the district model for the NE FIRST organizers -- regardless of which teams attend, there's an incredible amount to work through for the NE FIRST committee! However, for the teams, it is probably one of the top 5 issues of interest.

I just wanted to note that while there are many valid points in your discussion, this section is rather untrue. If you look at the "status" page of the NE FIRST website, you will have a glimpse of how much work went into putting together a points model for NE FIRST. Almost immediately they split into operations and organization committees and began work on both parts of the system. They actually spent a lot more time working on and discussing this in the past year and a half than they did on locations. They realized this was incredibly important to teams and not only carefully researched and discussed all the models, they came up with a model that at times has been vastly different from FiM and MAR. As they discussed with teams at town halls, the model would change from month to month as they developed a picture of what the teams wanted. Even more recently, given a lot of these CD threads and opinions they have gathered from teams, they have changed the model to match what they are hearing from teams.

Are there still issues with the current proposal? Well they will never be able to make everyone happy. But they have NOT just blindly adopted the FiM & MAR models as you can see from several of the rankings threads. There are plenty of ways to argue which is better, and to be honest, as you suggest - it is all about what Philosophy NE FIRST & its teams wants to take with regards to its model. Are they in it to send the best robots? Do they want to generate more Chairmans winners? Do they want to give everyone a chance to play? Do they want to promote growth and sustainability? Each of these can lend itself to a slightly different model.

But I wanted to at least set the record straight that the NE FIRST committee has spent quite a lot of time going over and revising the points model, and it is far from an afterthought or a minor detail.

Ken Streeter 20-05-2013 23:17

Re: 2013 NE FIRST District Rankings
 
Quote:

Originally Posted by Kims Robot (Post 1276297)
I just wanted to note that while there are many valid points in your discussion, this section (qualification points model) is rather untrue. If you look at the "status" page of the NE FIRST website, you will have a glimpse of how much work went into putting together a points model for NE FIRST. ...

But I wanted to at least set the record straight that the NE FIRST committee has spent quite a lot of time going over and revising the points model, and it is far from an afterthought or a minor detail.

I'm sorry; I had not intended to offend or imply that the NE FIRST committee thought the points model was an afterthought. I definitely didn't think that the NE FIRST committee thought it was unimportant, but simply thought it had not yet been an issue they have had the bandwidth to address.

With your post, I am clearly mistaken. I have not been aware of any of the ongoing discussion within NE FIRST about the points model. Without seeing any updated status on the NE FIRST website regarding the points model, I had mistakenly presumed that the points system simply hasn't been one of the issues being worked by the committee. I'm glad to hear that it has been given a lot of consideration.

I clearly haven't been proactive enough about trying to become involved, but from my perspective I hadn't been aware of the work going on within NE FIRST regarding the district points structure. I attended the NH town hall meeting (which was not a live meeting, but a web event long after the other town hall meetings, just before Christmas 2012) but I don't recall anything being mentioned about the points model at that meeting, other than that it was coming soon. The first details I saw were Jess Boucher's 3 Jan 2013 blog posting, but that was the first and last time I ever saw anything definitive regarding it. Other than unofficial CD threads such as this one (which was started by NY capital district folks outside of NE FIRST), I haven't heard any news at all regarding the NE FIRST district model since kickoff. I've even been checking the NE FIRST web site regularly looking for new information about how to contribute ideas, but haven't seen anything new. It may just be the case that the NH teams have not had a good way to communicate / interact regularly with each other or the NE FIRST committee, and that there is more of a dialogue between teams and NE FIRST in other states?

In any case, thanks for letting me know that the NE FIRST committee has been working hard on the points model. Is there a more recent draft, or is the one on the web site from 3 Jan 2013 still the latest?


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