Dervish D (track)
by Vangelis
Dervish D appears on the following album(s) by Vangelis:
- Spiral (track #3) (this album) (1977)
- Greatest Hits (track #6) (compilation) (1981)
- 4 Track E.P. (track #2) (1979)
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Condition: Used
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Condition: D'occasion
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Dervish D 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 |
|---|---|---|---|---|
| ! | 02/12/2025 06:42 | zsolti | 6,644 | 80/100 |
| ! | 08/25/2024 21:25 | phmusic | 62,859 | 100/100 |
| ! | 03/11/2024 11:44 |  doombringer | 11,992 | 75/100 |
| ! | 09/25/2023 14:22 |  Jboy56 | 39,199 | 78/100 |
| ! | 05/06/2023 08:26 | TradeShark | 4,948 | 30/100 |
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 7% of all tracks on BestEverAlbums.com. This track has a Bayesian average rating of 79.9/100, a mean average of 83.5/100, and a trimmed mean (excluding outliers) of 83.5/100. The standard deviation for this track is 12.9.
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