Let's Buy A Bridge (track) by Swell Maps
Year: 1980
From the album Jane From Occupied Europe (track #2)
Let's Buy A Bridge appears on the following album(s) by Swell Maps:
- Jane From Occupied Europe (track #2) (this album) (1980)
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Listen to Let's Buy A Bridge on YouTube
Let's Buy A Bridge 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 |
|---|---|---|---|---|
80/100  | 11/06/2020 05:29 |  Purplepash | | 77/100 |
65/100 | 11/06/2020 04:06 |  Xxnu99etxX | | 63/100 |
85/100 | 04/22/2020 18:58 | HotZappsBoogaloo | | 82/100 |
60/100 | 04/02/2020 21:33 |  sssvnnn | | 68/100 |
85/100 | 04/24/2017 01:36 | blackflag29 | | 90/100 |
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 77.5/100, a mean average of 78.6/100, and a trimmed mean (excluding outliers) of 78.6/100. The standard deviation for this track is 12.4.
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