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 Pesadelo 
Admiral (Administrator)
Joined: Dec 19, 2007
Member#: 19747
Posts: 206
Location: Rio de Janeiro, Brazil
    
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 Posted:
Sun Jul 27, 2008 10:33 am Post subject: |
 
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The Top100 Rated Albums feature was too slow. Nowadays there are much more albums (and songs) than there were on 2004. We did an optimization of the rating subsystem and, btw, changed the way the stars are calculated.
First of all, Sensei's formula is correct and is among the known methods accepted in descriptive statistics. As a statistical approach, it does not reflects the real ranking distribution of the albums though.
If you rank all the albums by rating and number of raters (albums that have enough raters), you will have a long line of albums from, lets say, 1 (the better rated) till 2700 (the worse rated). Now imagine that you cut this line in 10 pieces. Now you have the 10% better rated albums in the first piece - they will have 5 stars. For the second piece, you give 4.5 stars, and so on till the 10th piece (of the 10% worse rated albums) which has 0.5 stars.
The percentile old way of rank did this above, but in a "statistical way". Now there is a true rank and, then, it is possible to have 10 pieces with the same number of albums in each.
Also, in the past it was possible for a single user to rating an album more than once. The old ranking system was accounting these multiple ratings as a single user. The new ranking system does not. It is more fair.
Well, nothing like a technician with a bad english to explain a "simple concept"  In the case a good soul wants to "translate", please feel free.
_________________
I think I think, therefore I think I am. (Ambrose Bierce) |
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 alien_avatar
Captain
Joined: Oct 28, 2006
Member#: 16007
Posts: 1342
Location: Berlin
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Posted:
Sun Jul 27, 2008 12:05 pm Post subject: |
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I don't get it... and that has nothing to do with your English, Pesadelo!!! 
Anyway, my fuzzy feelings don't like it. To me it looks like everything except the very highly rated albums has been "down-star-ed".
Even if it has a rating of about 3 or even a bit more it doesn't get more than one measly bit of one star.
The way I understood the rating system (and used it, btw) a rating of three is the exact middle. Three is what I give an album that I didn't find wonderful but that didn't annoy me either.
The way it is now, the much-loathed "Forbidden Zone" gets half a star with a rating of 2.2 as well as Baten Kaitos -Unfinished Wings and The Lost Sea- with a rating of 3.42.
I don't know either soundtrack very well, but my point is (yes, I have one  ) that in my opinion 3.42 is better than 2.2 and the stars don't show that distinction.
The star distribution is probably very logical and mathematical and stuff and therefore way over my head... but I think that it leaves a wrong impression.
Maybe I'm only annoyed because it happened to a lot of my beloved game soundtracks, but still...... 
_________________
"Welcome to the paranoia club; cheapest fees in the universe and membership lasts forever."
- Peter F. Hamilton, The Evolutionary Void |
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 LadyInque
Captain
Joined: May 20, 2005
Member#: 10281
Posts: 2224
Location: Eastern Massachusetts
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Posted:
Sun Jul 27, 2008 12:40 pm Post subject: |
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I am inclined to agree with alien. Since reading Pesa's post, I get how the stars are now assigned, but it does mean that it downgrades a lot of soundtracks I like. I look at the one star rating and say, geez, it can't be that unliked! It isn't, but the stars don't reflect that.
I think this new system has basically made the stars meaningless.
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Pesadelo
Admiral (Administrator)
Joined: Dec 19, 2007
Member#: 19747
Posts: 206
Location: Rio de Janeiro, Brazil
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Posted:
Sun Jul 27, 2008 2:43 pm Post subject: |
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Stars never meant to represent the rate of an album. The only change was in the way to calculate the deciles.
_________________
I think I think, therefore I think I am. (Ambrose Bierce) |
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LadyInque
Captain
Joined: May 20, 2005
Member#: 10281
Posts: 2224
Location: Eastern Massachusetts
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Posted:
Sun Jul 27, 2008 2:52 pm Post subject: |
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| Pesadelo wrote: |
| Stars never meant to represent the rate of an album. |
That's certainly not the way i thought it worked. And it still seems that in some contexts, like the Now Playing frame, the stars represent just that. If that's not the case, then they are confusing and kind of useless. At least, I am confused. |
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 masked_platypus
Vice Admiral (Moderator)
Joined: Jul 19, 2007
Member#: 18358
Posts: 1179
Location: Chartres, France
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Posted:
Mon Jul 28, 2008 3:22 am Post subject: |
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I understand the statistic way to rate the albums, and I confirm that this is exact, but... (There's always a but)
Is it really necessary to distinguish the ten percent better?
I mean, I don't care if more than 50 % of SST database got more than 4 stars, cause a lot of what we hear in here is good.
Couldn't be possible to use the average rating of the voters, instead of using a statistic law?
I hope you understand what I mean, it isn't easy to explain it in English.
_________________
There is no problem that can't be solve without any solution |
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weaponlordzero
Captain
Joined: Sep 15, 2006
Member#: 15677
Posts: 1639
Location: Louisville, KY USA
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Posted:
Mon Jul 28, 2008 9:07 am Post subject: |
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Frankly, after reading this, I afraid to look at my beloved favorites...
_________________
I do not wake up with thoughts of control and rebellion, but thoughts of purpose and righteousness and the empowerment to fulfill those convictions that define me. |
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alien_avatar
Captain
Joined: Oct 28, 2006
Member#: 16007
Posts: 1342
Location: Berlin
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Posted:
Mon Jul 28, 2008 11:14 am Post subject: |
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| weaponlordzero wrote: |
| Frankly, after reading this, I afraid to look at my beloved favorites... |
DON'T!!!  
_________________
"Welcome to the paranoia club; cheapest fees in the universe and membership lasts forever."
- Peter F. Hamilton, The Evolutionary Void |
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masked_platypus
Vice Admiral (Moderator)
Joined: Jul 19, 2007
Member#: 18358
Posts: 1179
Location: Chartres, France
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Posted:
Tue Jul 29, 2008 1:08 am Post subject: |
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It seems that everything is back to the normal, now.
_________________
There is no problem that can't be solve without any solution |
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alien_avatar
Captain
Joined: Oct 28, 2006
Member#: 16007
Posts: 1342
Location: Berlin
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Posted:
Tue Jul 29, 2008 1:11 am Post subject: |
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| masked_platypus wrote: |
| It seems that everything is back to the normal, now. |
2 minutes faster....
_________________
"Welcome to the paranoia club; cheapest fees in the universe and membership lasts forever."
- Peter F. Hamilton, The Evolutionary Void |
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masked_platypus
Vice Admiral (Moderator)
Joined: Jul 19, 2007
Member#: 18358
Posts: 1179
Location: Chartres, France
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Posted:
Tue Jul 29, 2008 2:36 am Post subject: |
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| alien_avatar wrote: |
| 2 minutes faster.... |
That's 3 minutes, actually  |
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masked_platypus
Vice Admiral (Moderator)
Joined: Jul 19, 2007
Member#: 18358
Posts: 1179
Location: Chartres, France
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Posted:
Mon Dec 15, 2008 2:59 am Post subject: |
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I've just discovered that there's change in the voting system.
Now, on the score page, you only have the rating note. So, you can't see if you have already voted for this score, unless you click on the stars.
Is it posible to add something somewhere to let you remind if you already have voted?
Thanks
_________________
There is no problem that can't be solve without any solution |
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JadedTitan
Vice Admiral (Moderator)
Joined: Oct 20, 2007
Member#: 19134
Posts: 692
Location: Maryland
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Posted:
Mon Dec 15, 2008 3:35 pm Post subject: |
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i was wondering that too masked...before you could tell if you had or not voted and it made sense that way, why was it changed? Just for the sake of changing something? Same with the request page...now there are double the adds and a boxed in netiquette guide.....
_________________
The right song can turn an emperor into a laughing stock, can bring down dynasties. A song can last long after the events and people in it are dust and dreams are gone. |
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 molossus
Admiral (Administrator)
Joined: Aug 09, 2005
Member#: 11167
Posts: 3308
Location: Warsaw & once in a blue moon Szczecin (Poland)
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Posted:
Mon Dec 15, 2008 3:55 pm Post subject: |
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| JadedTitan wrote: |
| Same with the request page...now there are double the adds and a boxed in netiquette guide..... |
My impression is that it was not the best idea.
Probably doubled ad banners are a bit too close to each other. They "hit" my eyes a little too much.
Edit: Typo spotted and corrected.
_________________
<i>"The piano keys are black and white,
But they sound like a million colors in your mind"</i>
(from "Spider's Web" by <a href="http://katiemelua.com/music/#KatieMelua">Katie Melua</a>)
Avatar is from work of art by Drew Struzan
Last edited by molossus on Tue Dec 16, 2008 5:31 am; edited 1 time in total |
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alien_avatar
Captain
Joined: Oct 28, 2006
Member#: 16007
Posts: 1342
Location: Berlin
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Posted:
Mon Dec 15, 2008 4:33 pm Post subject: |
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| molossus wrote: |
My impression is that it was not the best idea.
Probably doubled ad banners are a bit to close to each other. They "hit" my eyes a little too much. |
As long as somebody pays for the banners I don't care how high they stack them. 
_________________
"Welcome to the paranoia club; cheapest fees in the universe and membership lasts forever."
- Peter F. Hamilton, The Evolutionary Void |
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