Altered State (track)
by Mike Oldfield
Year: 1992
From the album Tubular Bells II (track #12)
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Altered State appears on the following album(s) by Mike Oldfield:
- Tubular Bells II (track #12) (this album) (1992)
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Altered State 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 14 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 05/31/2026 22:30 | mrmcrook | 12,562 | 78/100 |
| ! | 08/10/2025 18:54 |  Igtonumama | 31,383 | 81/100 |
| ! | 11/13/2024 20:03 | SD100852 | 12,061 | 77/100 |
| ! | 12/06/2023 13:31 |  DommeDamian | 75,712 | 51/100 |
| ! | 07/17/2023 08:16 | zsolti | 7,272 | 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 72.5/100, a mean average of 70.0/100, and a trimmed mean (excluding outliers) of 70.0/100. The standard deviation for this track is 20.4.
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