Op-Er-ra Star (track)
by Neil Young & Crazy Horse
Year: 1981
From the album Re-Ac-Tor (track #1)
Listen on Spotify
Op-Er-ra Star appears on the following album(s) by Neil Young & Crazy Horse:
- Re-Ac-Tor (track #1) (this album) (1981)
Upcoming concerts
Listen to Op-Er-ra Star on YouTube
Op-Er-ra Star 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 |
|---|---|---|---|---|
| ! | 09/03/2025 16:19 | Johnnyo | 41,739 | 80/100 |
| ! | 09/03/2025 10:36 |  Liedzeit | 9,418 | 77/100 |
| ! | 04/10/2025 02:01 | brent13 | 10,909 | 85/100 |
| ! | 03/15/2025 04:27 |  AAL2014 | 34,141 | 76/100 |
| ! | 05/26/2024 10:15 | baz1860 | 1,328 | 83/100 |
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 76.5/100, a mean average of 74.1/100, and a trimmed mean (excluding outliers) of 76.6/100. The standard deviation for this track is 18.5.
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