The Unwritten Law (track)
by Deep Purple
Year: 1987
From the album The House Of Blue Light (track #2)
Listen on Spotify
The Unwritten Law appears on the following album(s) by Deep Purple:
- The House Of Blue Light (track #2) (this album) (1987)
- Knocking At Your Back Door: The Best Of Deep Purple In The 80's (track #7) (compilation) (1992)
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Condition: Brand New
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Condition: New
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The Unwritten Law ratings
where:
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 |
|---|---|---|---|---|
40/100  | 11/03/2025 03:50 |  AAL2014 | | 76/100 |
100/100 | 05/06/2024 02:30 | phmusic | | 100/100 |
100/100 | 04/09/2023 22:00 | Phmus84 | | 100/100 |
70/100 | 06/03/2021 15:40 |  mrblond | | 79/100 |
75/100 | 04/20/2020 07:44 |  jeremy9 | | 81/100 |
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 74.9/100, a mean average of 73.6/100, and a trimmed mean (excluding outliers) of 73.6/100. The standard deviation for this track is 18.4.
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