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COH2stats.com match and player statistics 2.0

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30 Sep 2021, 12:34 PM
#161
avatar of pagep

Posts: 131 | Subs: 1

Now that I stare at it, yup. The numbers are pretty dang close. I'd like the graph blown up, but otherwise its fine.


I could add the RTS it should be easy. Btw isn't there any other statics method which could take in count the amount of games?

Because the RTS with winrate doesn't take in the amount of games - for example for British it's less than for soviet etc ...

FYI: This is the data I have for maps https://www.npoint.io/docs/294124272ac48e719535
30 Sep 2021, 14:48 PM
#162
avatar of Hannibal
Senior Moderator Badge

Posts: 2837 | Subs: 2

jump backJump back to quoted post30 Sep 2021, 12:34 PMpagep
I could add the RTS it should be easy. Btw isn't there any other statics method which could take in count the amount of games?


https://web.pdx.edu/~newsomj/uvclass/ho_z-test.pdf

That's a short and quick "how to" without background though.

The other option would be to to calculate probabilities based on Bernoulli's distributions (i.e. "how likely is it that I observe a say 550 or more Axis wins out of 1000 games, although I hypothesize perfect balance").
2 Oct 2021, 20:03 PM
#163
avatar of pagep

Posts: 131 | Subs: 1

If anyone is interested I recently did a match export from DB. These are all the matches we have stored.18th Sep - 2th Oct (71k records)
https://storage.googleapis.com/coh2-stats-public-storage/matches-1631923200-1633132800.csv

You can load it up in excel and do additional research


Btw I just found a match where someone played Whiteball Express for 6 hours in 4v4 :D
8 Oct 2021, 21:58 PM
#164
avatar of pagep

Posts: 131 | Subs: 1


Pagep, can you include a balance ratio for me?
I'd suggest a Root-Mean-Square using 50% as your theoretical data.

New update!

Added RMS diff ration as requested and proposed by Descolata. It's really interesting! Some maps seems like they are balanced Axis vs Allies 0.0 diff but then you find out that they are not because one faction might be still losing more while other factions are winning more... Which you can spot on the full detailed chart faction/map.

Several little fixes and improvements.

You can now watch monthly stats for current month too. It's recalculated every-day.
https://coh2stats.com/map-stats?range=month&type=4v4&map=8p_redball_express&timeStamp=1633046400

RMS Winrate deviation:



Game time analysis


And game time histogram per map

Btw some maps have really huge end in 0 - 5 minutes in compare to the amount of games. I am not really sure if there is any connection but could it mean that people are crashing more often during load on these maps?

It's:
- City17 4-4
- West Wall 4-4
9 Oct 2021, 00:26 AM
#165
avatar of KoRneY

Posts: 625

Great work, thank you
Vaz
10 Oct 2021, 04:15 AM
#166
avatar of Vaz

Posts: 1145

6 hour game ftw
10 Oct 2021, 09:46 AM
#167
avatar of Descolata

Posts: 486

12 Oct 2021, 06:22 AM
#168
avatar of Pedro_Jedi

Posts: 537

Came here to complain and look for statistics that could support my view that axis is currently A-move to win. Just found out that I'm bad.
12 Oct 2021, 10:35 AM
#169
avatar of Hannibal
Senior Moderator Badge

Posts: 2837 | Subs: 2

Came here to complain and look for statistics that could support my view that axis is currently A-move to win. Just found out that I'm bad.

Welcome to the club mate.
We're basically all there, just not everyone has the self-awareness to draw the right conclusion as you did.
15 Oct 2021, 19:23 PM
#170
avatar of pagep

Posts: 131 | Subs: 1

Yo guys, I wanted to add total winrate. What do you think about this feature? Do you think guys with lower winrate would care about it? Like that they would be disappointed or something?

15 Oct 2021, 20:53 PM
#171
avatar of Descolata

Posts: 486

I'm just not sure the value in Total Winrate in a game like CoH, unless it has other info to go along. It should be ~50% for all players not in the top or bottom of the skill level. I'd suggest some kind of combined ELO if possible. At the very least, combined ELO incentives players to get good at more factions.

I'm not sure if your info is thorough enough for that.

I've wanted an actual matchmaking rating for a long time.
18 Oct 2021, 17:39 PM
#172
avatar of pagep

Posts: 131 | Subs: 1

I'd suggest some kind of combined ELO if possible. At the very least, combined ELO incentives players to get good at more factions.

I'm not sure if your info is thorough enough for that.

I've wanted an actual matchmaking rating for a long time.

Yes when I came to COH I was surprised that there is NO global ELO. But when you think about it it makes sense in terms of how COH is played.

However I could imagine to have extra ELO for game modes, 1-1, 2-2 etc and another ELO for factions, Wehrmacht, USF etc ... That could be interesting - to see who is best Wehrmacht player across all the modes.

We could build whatever we want but we would need to have access to EVERY match. That's what other games provide - Dota 2, LoL etc, with their API you can retrieve latest matches. And when you have that you can calculate anything for the players.

COH2 have only API to retrieve matches for player. You can't get general matches. Which makes the whole data parsing extremely ineffective (you retrieve the same matches a lot from each player and need to filter it - and you need to know player ids beforehand). I hope that they will publish public API for COH3 with ability to get every match.

Because than a community can pick it up and build systems around it. When you look at other games they often don't even try to build their own thing. They just publish API, because they know others can spend additional time and resources to build amazing sites.
10 Nov 2021, 23:00 PM
#173
avatar of pagep

Posts: 131 | Subs: 1

Hi guys

Just quick small update. Added new chart for the game time.
Which you can find at the bottom of the map analysis page.
https://coh2stats.com/map-stats?range=month&type=4v4&map=8p_redball_express&timeStamp=1635724800



Looks like Cit17 is really problematic map. Almost 20% games ends in the first 5 minutes?
Btw you can also see the difference between 1v1,2v2,3v3 and 4v4, in 4v4 10% of games ends in the first 5 minutes - probably because of leavers/drops? In other game modes it's about 5%

Another small improvement is that I created a dashboard which monitors and logs the status of Relic API https://stats.uptimerobot.com/03lN1ckr5j I noticed that from time to time some parts of the page doesn't work and when I investigated the problems, it seemed that Relic API is is not responding so I wanted to track their availability.

10 Nov 2021, 23:54 PM
#174
avatar of Spanky
Senior Strategist Badge

Posts: 1797 | Subs: 2

Very pleased to see both of my maps being #2 balance wise in this statistic. Thank you for your work.
11 Nov 2021, 06:06 AM
#175
avatar of Descolata

Posts: 486

Pagep is godlike.
11 Nov 2021, 12:41 PM
#176
avatar of Sturmpanther
Lead Strategist Badge

Posts: 5433 | Subs: 32

jump backJump back to quoted post8 Oct 2021, 21:58 PMpagep



you are fucking amazing!!! :thumbsup::thumb:

Btw for people who are wondering: 4vs4 Westwall = Vielsam
21 Nov 2021, 17:44 PM
#177
avatar of pagep

Posts: 131 | Subs: 1

Yo guys, I finally finished the "general" stats which gives overview for all game types for the given time range.

https://coh2stats.com/stats?range=month&statsSource=all&type=general&race=wermacht&timeStamp=1635724800




Also commanders where given overhaul with actual points for each ability https://coh2stats.com/commanders/usf
21 Nov 2021, 19:38 PM
#178
avatar of Rosbone
Senior Mapmaker Badge

Posts: 1739 | Subs: 2

I have never seen a more valid use for a BI tool in my life! Our hero pageP! <444>3
5 Dec 2021, 12:53 PM
#179
avatar of pagep

Posts: 131 | Subs: 1

yo guys, simple small update. You can now search for players directly from the browser bar. Just write coh2stats.com and than tab. It works from Chrome at least.

MMX
5 Dec 2021, 13:46 PM
#180
avatar of MMX

Posts: 999 | Subs: 1

great stuff, thanks a lot for all the effort you've put in this project!
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