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Topic: Similarity Ratings

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Subject: Similarity Ratings
Date Posted: 10/23/2008 8:27 PM ET
Member Since: 6/9/2007
Posts: 745
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This is slightly off-topic, but I've noticed the new similarity ratings on my buddy list. How are they figuring these up? Books posted, book read, books on WL/RL? I was kind of surprised by the percentages, I don't have any that are really high. So I'm wondering: what is the highest percentage on your list?

Date Posted: 10/23/2008 8:31 PM ET
Member Since: 11/5/2007
Posts: 788
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Look under the What's New heading.  It explains about the similarity ratings.  I was really confused until I read that.

Date Posted: 10/23/2008 8:48 PM ET
Member Since: 2/24/2006
Posts: 5,498
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My highest rating is 74%.

Date Posted: 10/23/2008 8:53 PM ET
Member Since: 5/3/2006
Posts: 6,436
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My highest is 37%, which is both Kim and Claudia. I'm a little surprised it's not higher than that! Amusingly, one of my lowest is one of my real life friends.

Date Posted: 10/23/2008 9:26 PM ET
Member Since: 3/25/2006
Posts: 240
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My highest is 49% and all the rest are under 15%, LOL . . . yikes!

Date Posted: 10/23/2008 9:43 PM ET
Member Since: 4/30/2007
Posts: 2,728
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I think it is based on how you rate books, at least from what I understand from a thread in the Questions forum.  None of mine are very high- my highest is only 15%.  What's really funny is that my similarity index for Kendra (KENDARA), who has been my IRL best friend since we were in 8th grade, is only 2%- and we trade books all the time.

Date Posted: 10/23/2008 11:18 PM ET
Member Since: 6/9/2007
Posts: 745
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I checked out the What's New section and I did what it said--go to the Homepage and choose 3 favorite genres. After choosing them, I checked my buddy list and my percentages went up, so now my highest is 27% .

Date Posted: 10/23/2008 11:28 PM ET
Member Since: 3/25/2006
Posts: 240
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I have NEVER rated a book via PBS, so I think that has nothing whatsoever to do with it.

 

 

 

Date Posted: 10/24/2008 1:41 AM ET
Member Since: 1/19/2008
Posts: 14,757
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the highest on my buddy list is 62%.  my highest at first was only 39%, but i think perhaps it was only partly implemented, as the % for practically everyone on my list jumped a few days later and i hadn't changed anything on my account.

Date Posted: 10/24/2008 11:28 AM ET
Member Since: 4/30/2007
Posts: 2,728
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Ok, here is what the Help Center says:

The Similarity Index shows how "alike" you and your Buddy are.  it is determined based on the information you provide to the club through your participation.  So when you apply star ratings to a book, add an item to your Wish List, or tell us what your favorite genres are, we're more able to come up with a profile of you as a reader.  And as others do the same, we can start matching up people who have similar tastes and habits.

Date Posted: 10/24/2008 11:31 AM ET
Member Since: 12/7/2006
Posts: 1,099
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My highest is Sherri H at 40%!

Date Posted: 10/24/2008 12:19 PM ET
Member Since: 2/24/2006
Posts: 5,498
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Ha Ha Susan - you're my highest too - 74%

Date Posted: 10/24/2008 1:32 PM ET
Member Since: 3/11/2008
Posts: 217
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All my ratings are very low! The highest one I have is 13%, and after looking at her shelf I didn't see much I was interested in?

Jessica

Date Posted: 10/24/2008 1:39 PM ET
Member Since: 5/3/2006
Posts: 6,436
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Hmmm, I wonder how the similariy can be different like that. You'd think if X was 40% for Y, Y would also be 40% for X, wouldn't you?

Date Posted: 10/24/2008 2:03 PM ET
Member Since: 3/11/2008
Posts: 217
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Yeah at first I thought it was because I hadn't rated any books...but I have now, and I still have very low similarities with others. I have found a few of yall that are higher but nothing above about 30%....

Jessica

Date Posted: 10/24/2008 2:17 PM ET
Member Since: 1/19/2008
Posts: 14,757
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You'd think if X was 40% for Y, Y would also be 40% for X, wouldn't you?

i would have thought that too, but based on numbers i've seen that's not the case.

for those who still have very low similarity percentages, you might want to make sure your favorite genres are set.

Date Posted: 10/24/2008 2:24 PM ET
Member Since: 4/30/2007
Posts: 2,728
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Ellen, I just went and set my favorite genres, and it didn't do a thing for my similarity percentages.  I have rated all of the books that I've read, but a lot of books I have on my shelf are ones I have not read- I buy them at garage sales and whatnot, plus I have some of my kids' and husband's books posted.  Maybe as more people start rating books and setting their favorite genres, the numbers will improve, but most of mine right now are not above 2%.

Date Posted: 10/26/2008 2:07 AM ET
Member Since: 6/24/2005
Posts: 356
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Didn't notice this until I saw this post.  I have a couple of friends from a private reading group who initially sent me here a few years ago and I know we all have very similar reading tastes, one in particular I'd say likes what I do at least 90% of the time only shows 11% here.  I think there are too many variables to be really accurate since they are using a variety of things to come up with these ratings.  For instance this friend and I trade privately between us all the time, grade books similarly all the time on our private group, and many of our favorites aren't always here on our lists at PBS, partly why such a difference in that rating, and could be I rate more or she did, vice versa if that's factored in as well.  I think we all get a better idea from postingson these forums, and just looking at one's wishlist seeing a lot of similar wanted books.  And don't forget, many of our keepers aren't relisted here and may never have been received from here.    Interesting anyway.

Date Posted: 10/26/2008 11:21 AM ET
Member Since: 8/9/2007
Posts: 4,058
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My highest percentages are with Claudia & Sherron, which doesn't surprise me because I frequently check both of their wishlists to see if there's anything I've overlooked & need to add to mine.  Plus all three of us are typically looking for the same hard to find books and have many of the same favorites.  After that, it's Monica & Willa, and then Barbara, which make sense too.  I need to start rating everything I've read though.  It would be interesting to see what happens with the numbers.

Date Posted: 10/26/2008 1:47 PM ET
Member Since: 10/6/2007
Posts: 376
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Kim, I might have thought you would be more than 11% similar to me - I guess the criteria are more than what we've rated or something? I've read the blurb about it a couple of times and truthfully find it as confusing as SwapADVD's WL criteria (which I hope they never get around to implementing here as it makes no sense at all to me). I have one person on my buddy list that's at 50%, everyone else is 30% or less, usually a lot less. I have 357 books on my rated BIR list, seems like a lot to compare too, but I've only written 8 reviews, and my WL is not that long and I keep a lot of dupes on it, different formats of the same title. My bookshelf isn't really worth comparing to, in my opinion, because it's the books I'm willing to trade - not my favorite keepers!! I guess some computer whiz figured out some mathematical way to compare everyone's data but how, I do not know.



Last Edited on: 10/26/08 1:48 PM ET - Total times edited: 1
Date Posted: 10/26/2008 2:15 PM ET
Member Since: 5/3/2006
Posts: 6,436
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Tina is only showing 11% for me and I don't think we've ever disagreed on a book yet!

Date Posted: 10/26/2008 4:42 PM ET
Member Since: 8/9/2007
Posts: 4,058
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Yeah, I would have thought ours would be higher too, Melinda.  From what I read it to say, I think yeah, definitely try to rate everything on your BIR list.  And it may go up if you do things like add books to your WL when you see them on a buddy's list.  I know I've dine that frequently from Claudia & Sherron's lists.  It stands to reason that the more titles that you have in common on WL, TBR pile, BIR, bookshelves etc - in other words any similarities  the database can track, the higher those numbers will be.  It's just cataloguing & counting random numbers, and then showing who has them in common with you.  There's probably an easier way to explain that, but it escapes me at the moment:P



Last Edited on: 10/26/08 4:42 PM ET - Total times edited: 1
Date Posted: 10/27/2008 12:33 PM ET
Member Since: 7/25/2005
Posts: 24,608
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My BFF and I trade books all the time but our similarity rating is only 6%.

I have people on my buddy list (which is huge since I'm a mod) that are just "names" to me and they rank higher than she does!

Date Posted: 11/1/2008 1:33 AM ET
Member Since: 9/29/2005
Posts: 219
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LOL, I was comparing the ratings also, thinking that is pretty low (14%, 20% is my highest with someone).  I thought it was based off of what books each had on shelf and wish list.   How do you get a  70% and above???