Lt. Commander
Join Date: Dec 2007
Posts: 120
# 1 Overall Average Score
12-11-2010, 04:58 AM
If you mouse over the list of missions where the average star rating is some of them show very odd numbers.

like 36/5 or 8/5.
Lt. Commander
Join Date: Dec 2007
Posts: 120
# 2
12-11-2010, 01:51 PM
It looks like it is adding up the star value * number of votes for it, then dividing that by five instead of the number of people who have rated the mission. So the more people who have rated your mission, the higher your rating, regardless of how many stars they gave it.

For example, a mission I'm looking at right now has a 13.4/5 average rating (and 5 stars). It has 2 5 stars, 3 4 stars, 9 3 stars, 6 2 stars, and 6 1 stars. That works out to be 10 + 12 + 27 + 12 + 6 or 69. 69/5 = 13.4, what it shows currently. What it should be is 69/28 = 2.5.
Lt. Commander
Join Date: Dec 2007
Posts: 120
# 3
12-11-2010, 02:09 PM
The ratings is well and truelly messed up lol im seeing a mission that has 2 of the lowest score yet its overall rating is max 5stars?
Lt. Commander
Join Date: Dec 2007
Posts: 120
# 4
12-11-2010, 02:12 PM
It is sort of self perpetuating

The more people rate your mission, regardless of how they rate it, the higher your "average" will be, because of it dividing by 5 rather than the number of people. So every 5 people rating you 1 star will boost your average rating by 1. And because you have that higher average rating, well, more people are going to play your mission =/
Lt. Commander
Join Date: Dec 2007
Posts: 120
# 5
12-12-2010, 03:55 AM
I noticed some other glitch today:

One of my mission got 5 ratings, it says. But yet I do only see 3 of 'em. Anf if I search for my mission, the rating details also only showing 3 ratings instead of 5.

Does that maybe mean, that 5 people have played my mission, but only 3 decided to rate it, or is this indeed another bug within the rating system?
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