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 Post subject: question about addition
PostPosted: Thu Apr 16, 2009 6:37 am 
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Joined: Thu Feb 14, 2008 11:57 pm
Posts: 30
ok i notice in search area, you added two new columns. 1 has a % the other seems to be a rating of 1-10...

what do these reflect?


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PostPosted: Thu Apr 16, 2009 9:23 am 
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Joined: Tue Sep 27, 2005 2:28 am
Posts: 7636
I didn't give any explanation because I thought it was easy to figure out: it's the IMDb rating and the IMDb popularity.

I suppose you know the IMDb: http://www.imdb.com

On the IMDb, each movie has a user rating, with the information of how many persons voted. I determine the popularity from this number of votes.

A movie with less than 5 votes has a popularity of 0%.
A movie with 5 votes has a popularity of 1%.
The movie with the most votes ("The Shawshank Redemption") has a popularity of 100%.

Most movies only have a few dozen or a few hundred votes, while "The Shawshank Redemption" has more than 400,000 votes. Because the number of votes grows exponentially with the popularity, for the popularity to be meaningful, I couldn't use a linear scale. I had to use a logarithmic scale (magnitude).

In a linear scale, you add to go from 5 to 6.
With the magnitude, you multiply to go from 5 to 6.

This was a great improvement for Coollector. Now, at first glance when you look at a person's filmography, you know if that person was involved in good or bad movies, popular or obscure movies. I hope you'll like it !


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