Blue Butterfly (track)
by Yeule
Blue Butterfly appears on the following album(s) by Yeule:
- Serotonin II (track #10) (this album) (2019)
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Blue Butterfly 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.
Showing latest 5 ratings for this track. | Show all 10 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 08/13/2026 18:45 |  DommeDamian | 77,167 | 51/100 |
| ! | 07/10/2026 16:48 | Exist-en-ciel | 169,579 | 71/100 |
| ! | 07/31/2025 13:18 |  Igtonumama | 31,381 | 81/100 |
| ! | 09/27/2023 17:10 | zomg101 | 11,433 | 74/100 |
| ! | 09/11/2023 03:20 | juanr1096 | 72,500 | 79/100 |
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 is rated in the top 19% of all tracks on BestEverAlbums.com. This track has a Bayesian average rating of 77.5/100, a mean average of 79.0/100, and a trimmed mean (excluding outliers) of 79.0/100. The standard deviation for this track is 10.7.
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