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How to calculate 'growth' in skill: 11/19/2015 18:50:19


Legacy 
Level 56
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A rough equation that I've come up with.


To calculate current standing,


g=((((A1+B1+C1+D1+E1+F1)*K1)*L1)/J1)



Where

a=Seasonal Ladder rating
b=1v1 ladder rating
c=real-time ladder rating
d =(number of coins*10)
e=2v2 ladder rating
f=3v3 ladder rating
j=boot rate
k=1v1 winning % --- calculated directly by =((number of 1v1 wins)/(total number of 1v1s)
l=player level
g=total
h=difference between days, calculated by (g(x)-g(x-1))
To calculate change in skill per day,



Then


i=(h(x)/g(x-1) for daily difference in skill

Simple enough. Let me know if improvements could be made.

Edited 11/19/2015 18:51:50
How to calculate 'growth' in skill: 11/19/2015 19:01:34


Nogals 
Level 58
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if your bootrate is 0?
How to calculate 'growth' in skill: 11/19/2015 19:04:17


Legacy 
Level 56
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Just get rid of it in the equation
How to calculate 'growth' in skill: 11/19/2015 19:07:51


master of desaster 
Level 65
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seems to be right. Money rules! skill is not needed if you have coins instead
How to calculate 'growth' in skill: 11/19/2015 19:08:29


Legacy 
Level 56
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Yep, that's why I multiply the coin value by 10. Thus, wealth > skill.


As always?
How to calculate 'growth' in skill: 11/19/2015 19:25:21


Legacy 
Level 56
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If you want to be extra-meticulous about it, you could change k to =((1v1%+2v2%+3v3%)/3), and then average the combined seasonal ladders that you've played in. The equation's pretty easy to toy around with.
How to calculate 'growth' in skill: 11/19/2015 19:30:44

OBI
Level 54
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<-- This player has never been booted from a game. Yay :)

Edited 11/19/2015 19:38:53
How to calculate 'growth' in skill: 11/19/2015 19:37:31


Master Jz 
Level 61
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Mine's about 185 million (thank you low boot rate).

Edited 11/19/2015 22:28:33
How to calculate 'growth' in skill: 11/19/2015 19:41:40


Bayern München is the best!
Level 60
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(0+1004+611+0+0+1480)*37*57/12.3=530679.3
Whats that?
How to calculate 'growth' in skill: 11/19/2015 19:45:13


master of desaster 
Level 65
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pretty low

a guy with 2k coins has the same amount of Points as someone who got in all ladders a Rating of 4000 :P pretty high

Edited 11/19/2015 19:48:06
How to calculate 'growth' in skill: 11/19/2015 19:45:39

RainbowBrite
Level 60
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That formula is completely arbitrary. Coins should be struck from it completely.
How to calculate 'growth' in skill: 11/19/2015 19:48:15


Sephiroth 
Level 60
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FK spotted
How to calculate 'growth' in skill: 11/19/2015 19:49:36


Onoma94 
Level 60
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Level is in the equation? How?
How to calculate 'growth' in skill: 11/19/2015 19:57:42

DanWL 
Level 62
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What is x?
How to calculate 'growth' in skill: 11/19/2015 21:07:49


Benjamin628 
Level 59
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3325510
How to calculate 'growth' in skill: 11/19/2015 21:14:19


Krzysztof 
Level 66
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That formula is completely arbitrary

That formula is pure bullshit :P
How to calculate 'growth' in skill: 11/19/2015 23:23:27


Timinator • apex 
Level 64
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How to calculate 'growth' in skill: 11/19/2015 23:58:04


Legacy 
Level 56
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I used x in this case, to indicate day #.
How to calculate 'growth' in skill: 11/19/2015 23:58:33


Legacy 
Level 56
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And yes, the formula is bullshit, but it's so is every other way to calculate 'skill' as a number :P
How to calculate 'growth' in skill: 11/20/2015 00:17:53


Cata Cauda
Level 58
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Compare the scores of your main and your alt and you will see that this formula is bullshit.
How to calculate 'growth' in skill: 11/20/2015 01:03:11


Legacy 
Level 56
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The main point isn't to have a large "score".

The point instead, is to see growth over time. The main idea is to use the change per day to track how you're changing as a player; thus, a higher daily percentage in i is much more useful than a high "score" in g
How to calculate 'growth' in skill: 11/20/2015 02:43:43


NinjaNic 
Level 58
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76878.48

Kasp, that's pretty cool but could you put a "grading system" on it?

Example:

A+ : >1,000,000
A : 750,000 - 1,000,000
A- : 500,000 - 750,000
B+ : 250,000 - 500,000
B : 100,000 - 250,000
B- : 75,000 - 100,000

etc...
How to calculate 'growth' in skill: 11/20/2015 02:45:29


Legacy 
Level 56
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I don't want a grading system for the total points. That's not the point to this; the point is to measure daily growth/losses. :)
How to calculate 'growth' in skill: 11/20/2015 02:46:36


NinjaNic 
Level 58
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(Sorry for double.) Wait a second. Your score could be doubled depending on if you have a 0.1% or 0.2% boot rate. I think this needs some reviewing.
How to calculate 'growth' in skill: 11/20/2015 02:48:16


Legacy 
Level 56
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I agree that it's not perfect. :)
How to calculate 'growth' in skill: 11/20/2015 03:04:57


‚̧HankyPinky
Level 58
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23900

used best ever ratings on what ladders i've played. I bet it will be the lowest score posted in this thread :P
How to calculate 'growth' in skill: 11/20/2015 03:07:21


Legacy 
Level 56
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Nah. Since I'm not currently rated on Seasonal, 2v2, or 3v3 ladder, my only score comes from what meager coins I have + 1v1 + RT ladder. My current score is in the 6,000s; what matters more, however, is that I've grown at an average of %12.8 per day for the past three days -- which is fairly substantial, but doesn't mean much at the moment because I'm only just getting this account ranked on the ladders. Again, this is to measure growth, not total.

Edited 11/20/2015 03:10:42
How to calculate 'growth' in skill: 11/20/2015 05:28:25

wct
Level 56
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Instead of aggregating all those disparate stats into one pretty arbitrary 'score', and measuring the change in that, why don't you just leave all the variables separate and measure their changes/improvements separately? That way at least the numbers you get will have some sense to them, and they can be easily interpreted.

One other thing you might want to consider is using averaging and a time lag to 'smooth' the measurement of improvements. E.g., instead of taking differences between daily stats, you could take an average of your stats over the course of seven days, and take differences between these weekly averages rather than differences between the raw scores. E.g., sum up the 1v1 ladder ratings for week 2 (days 8 - 14), divide by 7 for the avg 1v1 ladder rating for week 2. Do the same for days 1-7 for avg rating for week 1, and then subtract avg.week1 from avg.week2 to get your week-to-week improvement in your rating. Exactly the same process for all the other stats.

It's pretty easy to do if you do it up in a spreadsheet. Then you can do all sorts of graphs to visualize it to your heart's content.
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