Black Blood Brothers
Rating Average: 3.5000Rating Stddev: 0.5
Review Count: 2
Existing Best Bet #: 3.43067655807339
( $rating_average - $rating_stddev ) + ( log($reviews) / log(5) )
( 3.5000 - 0.5 ) + ( 0.693147180559945 / 1.6094379124341 )
( 3 ) - 0.430676558073393
Proposed Best Bet #:
( ( $rating_average - ( $rating_stddev / 2) ) - ( ( $stddev==0 and $reviews<5)? .5: 0 ) * $similarity
( ( 3.5000 - 0.25 ) - 0 ) * $similarity
( 3.25 - 0 ) * $similarity
3.25 * $similarity
In English: Average rating minus half the standard deviation of the ratings, with a penalty of half a rating point if there are fewer then five reviews with no variation in their ratings.
Discussion: This uses the average rating as the base, lowering the overall rating based on the amount of variance in the ratings. Additionally it lowers the rating if only a few people have rated it and they've all given it the same score. Perhaps shows with few ratings shouldn't even show up in best bets.
Keywords: 5 - 2006, TV, Fantasy, Action, Vampires
For reference, Devil Doll's similarity calc is this:
( $matching_keys * ( $matching_keys / $total_keys ) * $total_keys ) / ( $total_keys * $total_keys )
| Title | Key Match | Rating | Rating - stddev | Devil Doll's Similarity Calc | New bbet | New bbet * Similarity | Old bbet | Old bbet * Similarity |
|---|---|---|---|---|---|---|---|---|
| Avatar: The Last Airbender - Season 2 | 4 | 4.00 | 4.00 | 64% | 3.50 | 2.24 | 4.00 | 2.56 |
| Saiyuuki Reload Gunlock | 4 | 4.00 | 4.00 | 64% | 3.50 | 2.24 | 4.00 | 2.56 |
| Kiba | 4 | 3.50 | 3.25 | 64% | 3.25 | 2.08 | 3.43 | 2.20 |
| Naruto | 4 | 3.62 | 3.20 | 64% | 3.20 | 2.05 | 4.87 | 3.11 |
| Bleach | 4 | 3.43 | 2.90 | 64% | 2.90 | 1.86 | 3.59 | 2.30 |
| Zero no Tsukaima | 4 | 3.00 | 2.78 | 64% | 2.78 | 1.78 | 3.98 | 2.55 |
| Fate/stay night | 4 | 3.14 | 2.73 | 64% | 2.73 | 1.74 | 3.52 | 2.25 |
| Karin | 4 | 3.00 | 2.68 | 64% | 2.68 | 1.72 | 3.37 | 2.16 |
| Blood Plus | 4 | 3.11 | 2.67 | 64% | 2.67 | 1.71 | 3.60 | 2.30 |
| Mamoru-kun ni Megami no Shukufuku wo! | 4 | 3.00 | 2.59 | 64% | 2.59 | 1.66 | 2.87 | 1.83 |
| D.Gray-man | 4 | 3.00 | 2.59 | 64% | 2.59 | 1.66 | 2.87 | 1.83 |
| Kyou Kara Maou | 4 | 3.00 | 3.00 | 64% | 2.50 | 1.60 | 3.00 | 1.92 |
| Witchblade | 4 | 3.00 | 2.50 | 64% | 2.50 | 1.60 | 2.43 | 1.56 |
| Inukami | 4 | 2.83 | 2.49 | 64% | 2.49 | 1.59 | 3.26 | 2.09 |
| Busou Renkin | 4 | 2.60 | 2.36 | 64% | 2.36 | 1.51 | 3.11 | 1.99 |
| Eureka Seven | 3 | 4.00 | 4.00 | 36% | 4.00 | 1.44 | 5.00 | 1.80 |
| TOKKÔ | 4 | 2.67 | 2.20 | 64% | 2.20 | 1.40 | 2.41 | 1.54 |
| Juuni Kokuki | 3 | 3.90 | 3.75 | 36% | 3.75 | 1.35 | 5.03 | 1.81 |
| Chrono Crusade | 3 | 3.89 | 3.73 | 36% | 3.73 | 1.34 | 4.94 | 1.78 |
| Rosario + Vampire Capu2 | 4 | 2.33 | 2.10 | 64% | 2.10 | 1.34 | 2.54 | 1.63 |
| Slayers Next | 3 | 3.88 | 3.72 | 36% | 3.72 | 1.34 | 5.32 | 1.92 |
| Scrapped Princess | 3 | 3.88 | 3.71 | 36% | 3.71 | 1.34 | 4.84 | 1.74 |
| Kemono Zume | 4 | 2.67 | 2.04 | 64% | 2.04 | 1.31 | 2.10 | 1.35 |
| Dance In The Vampire Bund | 4 | 2.25 | 2.03 | 64% | 2.03 | 1.30 | 2.68 | 1.71 |
| Darker than Black - Kuro no Keiyakusha | 3 | 3.80 | 3.60 | 36% | 3.60 | 1.30 | 4.40 | 1.58 |
| Magikano | 3 | 3.80 | 3.60 | 36% | 3.60 | 1.30 | 4.40 | 1.58 |
| Black Lagoon | 3 | 3.80 | 3.60 | 36% | 3.60 | 1.30 | 4.40 | 1.58 |
| Rosario + Vampire | 4 | 2.22 | 2.01 | 64% | 2.01 | 1.29 | 3.17 | 2.03 |
| Yoake Mae Yori Ruri Iro Na | 4 | 2.00 | 2.00 | 64% | 2.00 | 1.28 | 3.00 | 1.92 |
| Rozen Maiden | 3 | 3.75 | 3.53 | 36% | 3.53 | 1.27 | 4.61 | 1.66 |
| Mahou Shoujo Lyrical Nanoha A's | 3 | 3.75 | 3.53 | 36% | 3.53 | 1.27 | 4.18 | 1.50 |
| Mahou Shoujo Lyrical Nanoha | 3 | 3.75 | 3.53 | 36% | 3.53 | 1.27 | 4.18 | 1.50 |
| Interlude | 3 | 3.75 | 3.53 | 36% | 3.53 | 1.27 | 4.18 | 1.50 |
| Junketsu no Maria | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| Slayers EVOLUTION-R | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.43 | 1.60 |
| Hunter X Hunter | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.43 | 1.60 |
| Ushio to Tora TV | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| Akiba Maid Sensou | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| Yoshinaga-san chi no Gargoyle | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| Aria the Natural | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| Zegapain | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| Fairy Tail | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| Shounen Onmyouji | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.43 | 1.60 |
| Naruto Shippuuden (TV) | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| One Piece: Karakuri Shiro no Mecha Kyohei | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.00 | 1.44 |
| Death Note | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.86 | 1.75 |
| 009-1 | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.43 | 1.60 |
| Fate/Zero | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.43 | 1.60 |
| Kateikyoushi Hitman Reborn! | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.43 | 1.60 |
| Saiunkoku Monogatari | 3 | 4.00 | 4.00 | 36% | 3.50 | 1.26 | 4.68 | 1.69 |
