Evolution (track)
by Kelly Lee Owens
Evolution appears on the following album(s) by Kelly Lee Owens:
- Kelly Lee Owens (track #5) (this album) (2017)
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Condition: New
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Evolution ratings
Average Rating = (n ÷ (n + m)) × av + (m ÷ (n + m)) × AVwhere:
av = trimmed mean average rating an item has currently received.
n = number of ratings an item has currently received.
m = minimum number of ratings required for an item to appear in a 'top-rated' chart (currently 10).
AV = the site mean average rating.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 03/01/2023 15:07 |  Igtonumama | 31,393 | 81/100 |
| ! | 05/18/2020 23:44 |  Antonio-Pedro | 10,618 | 93/100 |
| ! | 09/16/2019 22:57 |  Space-Dementia | 12,442 | 78/100 |
| ! | 05/20/2019 14:43 | AledJames | 10,440 | 77/100 |
| ! | 04/19/2019 12:18 | LosWochos | 308,829 | 80/100 |
Rating metrics:
Outliers can be removed when calculating a mean average to dampen the effects of ratings outside the normal distribution. This figure is provided as the trimmed mean. A high standard deviation can be legitimate, but can sometimes indicate 'gaming' is occurring. Consider a simplified example* of an item receiving ratings of 100, 50, & 0. The mean average rating would be 50. However, ratings of 55, 50 & 45 could also result in the same average. The second average might be more trusted because there is more consensus around a particular rating (a lower deviation).
(*In practice, some tracks can have several thousand ratings)
This track has a Bayesian average rating of 77.2/100, a mean average of 77.8/100, and a trimmed mean (excluding outliers) of 77.8/100. The standard deviation for this track is 10.3.
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