Raider Prelude (track)
by Steven Wilson
Year: 2011
From the album Grace For Drowning (track #6)
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Raider Prelude appears on the following album(s) by Steven Wilson:
- Grace For Drowning (track #6) (this album) (2011)
Listen to Raider Prelude on YouTube
Raider Prelude 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 29 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 04/02/2025 16:51 | Johnnyo | 43,679 | 80/100 | |
| 03/15/2025 23:14 | FrancK | 4,672 | 82/100 | |
| 06/04/2024 15:59 | wizardalien | 9,279 | 63/100 | |
| 03/25/2024 11:14 |  doombringer | 14,068 | 74/100 | |
| 12/17/2023 13:45 |  charadeyouare | 1,603 | 82/100 |
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 73.7/100, a mean average of 72.9/100, and a trimmed mean (excluding outliers) of 72.9/100. The standard deviation for this track is 7.5.
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