Understand (track)
by Christina Aguilera
Year: 2006
From the album Back To Basics (track #5)
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Understand appears on the following album(s) by Christina Aguilera:
- Back To Basics (track #5) (this album) (2006)
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Understand 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 3 ratings for this track. | Show all 13 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| ! | 06/29/2023 22:33 | plasmicmist | 7,586 | 91/100 |
| ! | 03/03/2023 12:54 | LosWochos | 317,673 | 80/100 |
| ! | 06/09/2022 22:23 |  VictorVale | 44,372 | 89/100 |
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 71.7/100, a mean average of 68.5/100, and a trimmed mean (excluding outliers) of 68.5/100. The standard deviation for this track is 12.5.
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