Birthday Cake (track)
by Rihanna
Birthday Cake appears on the following album(s) by Rihanna:
- Talk That Talk (track #6) (this album) (2011)
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Birthday Cake 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 |
|---|---|---|---|---|
| ! | 03/25/2024 20:55 |  DommeDamian | 72,265 | 51/100 |
| ! | 04/22/2023 15:14 | pinkfreud1981 | 3,579 | 71/100 |
| ! | 03/22/2023 18:39 |  paladisiac | 82,390 | 64/100 |
| ! | 12/17/2021 16:06 |  covecove | 66,526 | 84/100 |
| ! | 08/04/2021 23:53 | siripii | 5,407 | 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 52.3/100, a mean average of 41.4/100, and a trimmed mean (excluding outliers) of 41.4/100. The standard deviation for this track is 28.0.
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