Percentile rank display

Group Leader
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Jul 1, 2018
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So, out of curiosity, I did a small scientific research. You can read it all in its entirety here, but the bottom line is:
95% of all manga on MangaDex (that have at least one rating) are within the 7.00 - 8.65 range. Anything ranked below 6.4 is basically a zero; anything ranked above 9 is basically a full ten.

With that in mind, I propose that a manga's percentile rank could be shown next to its scores. Saying that a manga is rated 7.00 is much more impressive than saying it's in the bottom ~3%.

Ideas/opinions?
 
Dex-chan lover
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Jul 4, 2018
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Eh this sounds too mathematic for a random user like me. Why not do what MAL do and tell its numerical rating (i.e. #57 highest rated or #2983) I mean, we already got the codes considering that the search has a feature to sort by "highest rated" so I can't imagine how hard it would be to make it tell the manga's position. Probably the most at concern is how taxing it would be for the servers to load the number each time a user opens up a manga.
 
Joined
Jan 26, 2019
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10
Many a times, lower ratings tend to come from immature readers who trash a manga i.e. give it zero if it fails to take their version of storytelling.
IMO rating any work without completing it in its entirety is doing injustice to it. First impression ratings don't give the true picture.
Saying that, I think no matter the system adopted for rating, reading of a manga is driven by individual preferences by genre, so I don't care if it's rated 3 or is in the bottom 3%, I'm gonna give it a go if it suits my tastes.
 
Active member
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Jan 23, 2018
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rating systems are flawed by design.

you can't fix it even when you suggest a supposedly better method, because its humans deciding and most people fall into 2 categories, sheep who follow the trends, or rebels who just want to retaliate against what they perceive to be unjust.

the reason most ratings fall within a certain range is because there is actually no measured metrics to determine the worth of a story and whether it has earned a place at a specific score.

What does the 2star story lack that the 9star story achieved? etc. also using a simple word with each number is no good, because everyone interprets the meaning and values of those words differently.
 
Fed-Kun's army
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Jan 19, 2018
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450
the average is actually 7.9
https://mangadex.org/stats/other
so that should be more or less "our" 5 here, anything with 8 here is average.

the problem is not the system, the problem is the user and their voting tendency. as long as people won't stop voting with just 10 and 1 (hint : they won't), the average rating will just stay up there.
it's that old hate out of 10 again.

Before we got our current "weighted rating" I chip in that we do weight people's vote to their vote tendency like what anidb do, hence people who spread their rating will have a higher impact on weighted rating than people who just vote 1 and 10, or only rate stuff with just 8910 or 123 or 567 (you know those people, either those manga fanatic who judge that all manga are perfect, edgy person who overly critical without reason and think 4 is generous already - but give 10 for edgy series, or those who try to be fair but too afraid to give slightly higher or lower score which ended up skewing their rating tendency anyway)
but the admin opt for bayesian rating instead.
I'm not saying that the decision is wrong, it's just that - in this case - it doesn't address the main issue, the voter themselves.
when bayesian show lower rating people still tend to rate 10 to "bump the rating up". but when everything are rated around 5-6 and they are told that "your vote weight less if you keep rating stuff with just 8 9 10, so the more you vote 10 to bump the rating the less your rating weighted by the system", then at least they'll rethink their voting behavior. doesn't means they'll change though, but that might makes them thinking.

But in the end, there are no silver bullet on this matter, anidb's weighted rating also criticized by people who hate seeing their favorite show a 4-6 rating (eventhough that's like... the average) and that it's "unfair". you'll also meet rating which is unthinkable in most other site, like isekaied high school prodigies with 2.4 weighted rating...
also, ranking or anything like that would just thicken the problem, the more stuff people could use to justify their taste and inflate their ego, the more they'll try to play with it. it's not a secret that MAL have problem with duplicate account trying to skew their rating and that's been a problem for a long time already.
 
Contributor
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Jan 19, 2018
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Sadly, not much you can do about trolls. But maybe it is possible to offset them some by simply setting a period of time after the initial upload of a new manga that the votes are locked out. This relying on the idea that the more "trollish" will be distracted by something else by the time the voting is available and not bother to keep up with all the new entries.
 

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