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Message Board > Miscellaneous > What do the Stars mean? ( Moderated by Deepika, EleanorSews, CynthiaSue)

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What do the Stars mean?
Valerie Jo
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Valerie Jo
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Member since 8/2/09
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Date: 7/16/10 3:22 PM

What do the stars by the names mean?

LoriB
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 LoriB  Friend of PR
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Date: 7/16/10 4:04 PM

See this FAQ

It's a pattern review rating based on reviews and tips the person has submitted.

------
Lori (visit my blog at: http://monkeyroom.blogspot.com)

poorpigling

poorpigling
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In reply to Valerie Jo


Date: 7/16/10 5:21 PM


It means you have been drinking too much in the chat room..

Valerie Jo
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Valerie Jo
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Date: 7/17/10 10:52 AM

PPGL

too funny

GwenH
GwenH
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Date: 12/6/11 8:30 AM

I'm resurrecting this because I got curious about the stars and have already looked at the FAQ. Still have a question.

There's something in the rating review calculation that I'm missing. I thought I understood it until I looked at the example.

Quote:
Ratings are updated every Monday Morning
Example: MemberA has written 5 reviews and is favored by 12 people. 2 out of those 5 reviews has 2 helpful and 2 very helpful ratings and 1 review has 5 very helpful ratings. So...
Rating from number of reviews written = 0.25
Rating from number of people who favor MemberA = 0.4
Rating from average of ratings on MemberA's reviews = 25% (1) = .25
Adding all these up and dividing by 3 gives us 0.3 which means that MemberA gets one star.



For the average rating, for the 5 reviews I understood the example got a total of 4 helpfuls, and 9 very helpfuls. This would equal 22 points based on the chart. So the average of the 5 reviews would be 4.4. 25% of that would be 1.1 or 1 rounded off.
However, the example shows an answer of 0.25.

Aaargh. Honestly I'm very good in math and there's just got to be something I'm not reading right. It's not important as things go, but can someone either see where I went wrong, or how to arrive at the 0.25 number? Thanks!

-- Edited on 12/6/11 8:33 AM --
marec
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marec  Friend of PR
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In reply to GwenH


Date: 12/6/11 10:09 AM

I think there is a coefficient missing from the example. The average of ratings is weighted...I think. Someone else around here KNOWS this and I am just guessing based on a poor memory of an older discussion.

------
my blog: http://kf-biblioblog.blogspot.com/
Sewing through my pattern stash-145
completed.

GwenH
GwenH
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Date: 12/6/11 10:32 AM

Thanks, it does help to know the example is off.

Bugs me when I can't do the numbers right.

It was looking like 25% was taken twice, but that might be a coincidence.

A Beginners Needle
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Date: 12/6/11 1:15 PM

The example shows 25% (1), which means that the sum of the average rating on all of the reviews was 1.

Average rating on all reviews:

(1.5+1.5+2+0+0)/5 = 1

Don't forget that the two reviews that don't have any helpfuls/very helpfuls!

Some more math:
Average rating on review 1 = 6/4 = 1.5
Average rating on review 2 = 6/4 = 1.5
Average rating on review 3 = 10/5 = 2
Average rating on review 4 = 0
Average rating on review 5 = 0

Then average these averages to get your result.

Hopefully this makes it clear.

Tina

------
Tina

In my Sewing Room:
Pfaff Creative Performance - Pfurple!
Juki F600
Brother PRW420
Juki 735 Serger

GwenH
GwenH
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In reply to A Beginners Needle


Date: 12/6/11 4:20 PM

Ah I see my problem. I understood the chart to indicate points for each rating which was then totaled. I was thinking the third category worked the same as the first two, i.e the more the better. I was thinking the more high ratings someone got the more it would count in points, but that's not the meaning of the chart.

I see one misunderstanding is I though tyou got 1 point for helpful and 2 for very helpful to arrive at a review rating total, but I see you are averaging the individual ratings within a review and then averaging again for the reviews.

What's intereesting is that someone who writes a pattern review that 50 people fnd very helpful gets the same average rating point count as a pattern review that one person finds very helpful. I wouldn't have expected it to work that way which may have contributed to my misunderstanding what the chart signified.

Thanks! Mystery solved. Now I can go back about my busines!

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