Durarara!! DVD Specials
Rating Average: 3.0000Rating Stddev: 1
Review Count: 2
Existing Best Bet #: 2.43067655807339
( $rating_average - $rating_stddev ) + ( log($reviews) / log(5) )
( 3.0000 - 1 ) + ( 0.693147180559945 / 1.6094379124341 )
( 2 ) - 0.430676558073393
Proposed Best Bet #:
( ( $rating_average - ( $rating_stddev / 2) ) - ( ( $stddev==0 and $reviews<5)? .5: 0 ) * $similarity
( ( 3.0000 - 0.5 ) - 0 ) * $similarity
( 2.5 - 0 ) * $similarity
2.5 * $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: 6 - 2010, Action, Adventure, Comedy, TV Special, Supernatural
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 |
|---|---|---|---|---|---|---|---|---|
| Durarara!! | 5 | 3.75 | 3.53 | 69% | 3.53 | 2.45 | 4.18 | 2.90 |
| Hagane no Renkinjutsushi OVA (03): Shishou (Sensei) Monogatari | 4 | 4.00 | 4.00 | 44% | 3.50 | 1.56 | 4.00 | 1.78 |
| Fairy Tail | 4 | 4.00 | 4.00 | 44% | 3.50 | 1.56 | 4.00 | 1.78 |
| Suzumiya Haruhi no Shoushitsu | 4 | 4.00 | 4.00 | 44% | 3.50 | 1.56 | 4.68 | 2.08 |
| Rupan Sansei: Alcatraz Connection | 4 | 4.00 | 4.00 | 44% | 3.50 | 1.56 | 4.00 | 1.78 |
| Lupin III: Goodbye Partner | 4 | 4.00 | 4.00 | 44% | 3.50 | 1.56 | 4.00 | 1.78 |
| Katanagatari | 4 | 3.33 | 2.86 | 44% | 2.86 | 1.27 | 3.07 | 1.37 |
| Omamori Himari | 4 | 3.00 | 2.65 | 44% | 2.65 | 1.18 | 3.15 | 1.40 |
| Ichiban Ushiro no Daimaou | 4 | 3.00 | 2.59 | 44% | 2.59 | 1.15 | 3.30 | 1.47 |
| D.Gray-man | 4 | 3.00 | 2.59 | 44% | 2.59 | 1.15 | 2.87 | 1.27 |
| High School of the Dead | 4 | 3.00 | 2.55 | 44% | 2.55 | 1.13 | 3.11 | 1.38 |
| Rupan Sansei: The Last Job | 4 | 3.00 | 3.00 | 44% | 2.50 | 1.11 | 3.00 | 1.33 |
| JoJo no Kimyou na Bouken: Stardust Crusaders Egypt-hen | 4 | 3.00 | 3.00 | 44% | 2.50 | 1.11 | 3.00 | 1.33 |
| Rupan Sansei: Harimao no Zaiho wo oe!! | 4 | 3.00 | 2.50 | 44% | 2.50 | 1.11 | 2.43 | 1.08 |
| Kuroshitsuji II | 4 | 3.00 | 3.00 | 44% | 2.50 | 1.11 | 3.00 | 1.33 |
| Needless | 4 | 3.00 | 2.50 | 44% | 2.50 | 1.11 | 2.86 | 1.27 |
| Rupan Sansei: Hemmingway Paper no Nazo | 4 | 3.00 | 3.00 | 44% | 2.50 | 1.11 | 3.00 | 1.33 |
| Durarara!! x2 Ketsu | 4 | 3.00 | 3.00 | 44% | 2.50 | 1.11 | 3.00 | 1.33 |
| Nanatsu no Taizai: Kamigami no Gekirin | 4 | 3.00 | 3.00 | 44% | 2.50 | 1.11 | 3.00 | 1.33 |
| Lupin Sansei: Prison of the Past | 4 | 3.00 | 3.00 | 44% | 2.50 | 1.11 | 3.00 | 1.33 |
| Persona 4 the Golden Animation | 4 | 3.00 | 3.00 | 44% | 2.50 | 1.11 | 3.00 | 1.33 |
| Angel Beats! | 4 | 2.91 | 2.46 | 44% | 2.46 | 1.09 | 3.50 | 1.56 |
| Tegami Bachi | 4 | 2.50 | 2.25 | 44% | 2.25 | 1.00 | 2.43 | 1.08 |
| Ranma ½ OVA | 3 | 4.00 | 4.00 | 25% | 4.00 | 1.00 | 5.11 | 1.28 |
| Eureka Seven | 3 | 4.00 | 4.00 | 25% | 4.00 | 1.00 | 5.00 | 1.25 |
| Chrono Crusade | 3 | 3.89 | 3.73 | 25% | 3.73 | 0.93 | 4.94 | 1.23 |
| Vandread | 3 | 3.89 | 3.73 | 25% | 3.73 | 0.93 | 4.94 | 1.23 |
| Trigun | 3 | 3.90 | 3.70 | 25% | 3.70 | 0.92 | 5.94 | 1.48 |
| Darker than Black - Kuro no Keiyakusha | 3 | 3.80 | 3.60 | 25% | 3.60 | 0.90 | 4.40 | 1.10 |
| Vandread The Second Stage | 3 | 3.80 | 3.60 | 25% | 3.60 | 0.90 | 4.40 | 1.10 |
| Cowboy Bebop | 3 | 3.81 | 3.55 | 25% | 3.55 | 0.89 | 5.74 | 1.44 |
| Rozen Maiden | 3 | 3.75 | 3.53 | 25% | 3.53 | 0.88 | 4.61 | 1.15 |
| Interlude | 3 | 3.75 | 3.53 | 25% | 3.53 | 0.88 | 4.18 | 1.04 |
| Digimon Tamers | 3 | 3.75 | 3.53 | 25% | 3.53 | 0.88 | 4.18 | 1.04 |
| Donten ni Warau | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Hakkenden: Touhou Hakken Ibun | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Majin Tantei Nougami Neuro | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Ushio to Tora TV 2 | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Kidou Senshi Gundam UC | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.43 | 1.11 |
| Saiyuuki Reload Gunlock | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Golden Kamuy 2 | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| City Hunter: Goodbye My Sweetheart | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.43 | 1.11 |
| Naruto Shippuuden (TV) | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Rupan Sansei: Nusumareta Rupan | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.43 | 1.11 |
| Wanpanman OVAs & Specials | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Rupan Sansei: Seven Days Rhapsody | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Full Metal Alchemist OVA2: Simple People | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| One Piece: Karakuri Shiro no Mecha Kyohei | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Mahou Shoujo Lyrical Nanoha The MOVIE 1st | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Quan Zhi Gao Shou (S1) | 3 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
