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I've been looking at the amazon BD/DVD pre-order rankings for today, and I've been wondering, how exactly do all these number correlate to each other? For example how can one BD release have higher points then another, but a lower ranking? What exactly do the points mean or stand for and how are they calculated? How do these numbers correlate to actual number of BD's/DVD's being ordered? A ranking example below.
***,123位/***,144位 ★ (**2,647 pt) [*,*17予約] 2014/09/17 Free! -Eternal Summer- [BD]
***,131位/***,121位 ★ (**1,792 pt) [*,*84予約] 2014/09/24 Aldnoah.Zero[BD]
***,221位/***,201位 ★ (***,982 pt) [*,*25予約] 2014/09/26 Tokyo Ghoul[BD]
***,287位/***,260位 ○ (**1,837 pt) [*,**2予約] 2014/09/17 Free! -Eternal Summer- [DVD]
***,296位/***,342位 ★ (**1,019 pt) [*,**1予約] 2014/08/27 Black Butler - Book of circus[DVD]
***,334位/***,307位 ★ (**1,028 pt) [*,**4予約] 2014/08/27 Bakumatsu Rock[BD]
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