Robert's Box (track)
by Procol Harum
Year: 1973
From the album Grand Hotel (track #9)
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Robert's Box appears on the following album(s) by Procol Harum:
- Grand Hotel (track #9) (this album) (1973)
eBay
Condition: Used
eBay
Condition: Used
Listen to Robert's Box on YouTube
Robert's Box 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 5 ratings for this track. | Show all 15 ratings for this track.
| Rating | Date updated | Member | Track ratings | Avg. track rating |
|---|---|---|---|---|
| 01/01/2026 11:38 | Exist-en-ciel | 86,568 | 71/100 | |
| 12/30/2023 16:26 | DaaN | 5,275 | 74/100 | |
| 02/12/2023 14:09 | bonnequestion | 16,447 | 75/100 | |
| 06/01/2022 06:20 | Pluto11 | 27,664 | 76/100 | |
| 02/25/2022 10:34 | LosWochos | 310,909 | 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 75.8/100, a mean average of 75.7/100, and a trimmed mean (excluding outliers) of 75.7/100. The standard deviation for this track is 7.9.
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