Perfect Lover (track) by Britney Spears
Perfect Lover appears on the following album(s) by Britney Spears:
- Blackout (track #11) (this album) (2007)
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Perfect Lover 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 |
|---|---|---|---|---|
100/100  | 06/30/2024 00:44 |  CassidyInc | | 100/100 |
100/100 | 04/17/2024 22:37 | phmusic | | 100/100 |
5/100 | 02/12/2024 08:54 | LammyTS1 | | 57/100 |
70/100 | 11/15/2023 12:24 | Fertu | | 82/100 |
75/100 | 06/24/2023 02:49 | juanr1096 | | 79/100 |
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 66.8/100, a mean average of 63.4/100, and a trimmed mean (excluding outliers) of 63.4/100. The standard deviation for this track is 30.4.
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