Rough Gem (track)
by Islands
Rough Gem appears on the following album(s) by Islands:
- Return To The Sea (track #4) (this album) (2006)
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Rough Gem 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 3 ratings for this track. | Show all 19 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 02/21/2024 23:03 |  Rhyner | 2,104 | 67/100 |
| ! | 10/29/2023 18:36 | daCritic | 39,492 | 75/100 |
| ! | 10/08/2023 16:09 | LosWochos | 317,508 | 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 is rated in the top 3% of all tracks on BestEverAlbums.com. This track has a Bayesian average rating of 82.2/100, a mean average of 85.5/100, and a trimmed mean (excluding outliers) of 85.5/100. The standard deviation for this track is 8.6.
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