Hakkenden: Touhou Hakken Ibun
Rating Average: 4.0000Rating Stddev: 0
Review Count: 1
Existing Best Bet #: 4
( $rating_average - $rating_stddev ) + ( log($reviews) / log(5) )
( 4.0000 - 0 ) + ( 0 / 1.6094379124341 )
( 4 ) - 0
Proposed Best Bet #:
( ( $rating_average - ( $rating_stddev / 2) ) - ( ( $stddev==0 and $reviews<5)? .5: 0 ) * $similarity
( ( 4.0000 - 0 ) - 0.5 ) * $similarity
( 4 - 0.5 ) * $similarity
3.5 * $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: 7 - 2013, Action, Adventure, TV, Fantasy, Bishounen, 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 |
|---|---|---|---|---|---|---|---|---|
| Tokyo Ravens | 6 | 3.00 | 3.00 | 73% | 2.50 | 1.84 | 3.00 | 2.20 |
| Darker than Black - Kuro no Keiyakusha | 5 | 3.80 | 3.60 | 51% | 3.60 | 1.84 | 4.40 | 2.24 |
| Interlude | 5 | 3.75 | 3.53 | 51% | 3.53 | 1.80 | 4.18 | 2.13 |
| Legend of Basara | 5 | 3.67 | 3.43 | 51% | 3.43 | 1.75 | 3.88 | 1.98 |
| Senkaiden Houshin Engi | 5 | 3.67 | 3.43 | 51% | 3.43 | 1.75 | 3.88 | 1.98 |
| Loveless (TV) | 5 | 3.50 | 3.25 | 51% | 3.25 | 1.66 | 3.43 | 1.75 |
| Mousou Dairinin | 5 | 3.50 | 3.25 | 51% | 3.25 | 1.66 | 3.43 | 1.75 |
| Kiba | 5 | 3.50 | 3.25 | 51% | 3.25 | 1.66 | 3.43 | 1.75 |
| Tenkuu no Escaflowne | 5 | 3.56 | 3.23 | 51% | 3.23 | 1.65 | 5.06 | 2.58 |
| To Aru Kagaku no Railgun | 5 | 3.33 | 3.10 | 51% | 3.10 | 1.58 | 3.98 | 2.03 |
| Tears to Tiara | 5 | 3.25 | 3.03 | 51% | 3.03 | 1.55 | 3.68 | 1.88 |
| Kaze no Stigma | 5 | 3.17 | 2.72 | 51% | 2.72 | 1.39 | 3.38 | 1.73 |
| The Sacred Blacksmith | 5 | 3.00 | 2.65 | 51% | 2.65 | 1.35 | 3.15 | 1.61 |
| D.Gray-man | 5 | 3.00 | 2.59 | 51% | 2.59 | 1.32 | 2.87 | 1.46 |
| Boukyaku no Senritsu | 5 | 3.00 | 2.55 | 51% | 2.55 | 1.30 | 3.11 | 1.58 |
| Needless | 5 | 3.00 | 2.50 | 51% | 2.50 | 1.28 | 2.86 | 1.46 |
| Kamisama no Inai Nichiyōbi | 5 | 3.00 | 3.00 | 51% | 2.50 | 1.28 | 3.00 | 1.53 |
| Persona 4 the Golden Animation | 5 | 3.00 | 3.00 | 51% | 2.50 | 1.28 | 3.00 | 1.53 |
| Nanatsu no Taizai: Kamigami no Gekirin | 5 | 3.00 | 3.00 | 51% | 2.50 | 1.28 | 3.00 | 1.53 |
| Kyou Kara Maou | 5 | 3.00 | 3.00 | 51% | 2.50 | 1.28 | 3.00 | 1.53 |
| Witchblade | 5 | 3.00 | 2.50 | 51% | 2.50 | 1.28 | 2.43 | 1.24 |
| JoJo no Kimyou na Bouken: Stardust Crusaders Egypt-hen | 5 | 3.00 | 3.00 | 51% | 2.50 | 1.28 | 3.00 | 1.53 |
| Shingeki no Kyojin | 5 | 3.00 | 3.00 | 51% | 2.50 | 1.28 | 3.43 | 1.75 |
| Kurokami The Animation | 5 | 2.67 | 2.43 | 51% | 2.43 | 1.24 | 2.88 | 1.47 |
| Juuni Kokuki | 4 | 3.90 | 3.75 | 32% | 3.75 | 1.22 | 5.03 | 1.64 |
| Chrono Crusade | 4 | 3.89 | 3.73 | 32% | 3.73 | 1.22 | 4.94 | 1.61 |
| Scrapped Princess | 4 | 3.88 | 3.71 | 32% | 3.71 | 1.21 | 4.84 | 1.58 |
| Mahou Shoujo Lyrical Nanoha | 4 | 3.75 | 3.53 | 32% | 3.53 | 1.15 | 4.18 | 1.36 |
| Durarara!! | 4 | 3.75 | 3.53 | 32% | 3.53 | 1.15 | 4.18 | 1.36 |
| Mahou Shoujo Lyrical Nanoha A's | 4 | 3.75 | 3.53 | 32% | 3.53 | 1.15 | 4.18 | 1.36 |
| Rozen Maiden | 4 | 3.75 | 3.53 | 32% | 3.53 | 1.15 | 4.61 | 1.50 |
| Log Horizon | 5 | 2.50 | 2.25 | 51% | 2.25 | 1.15 | 2.43 | 1.24 |
| Tegami Bachi | 5 | 2.50 | 2.25 | 51% | 2.25 | 1.15 | 2.43 | 1.24 |
| Hunter X Hunter (2011) | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Avatar: The Last Airbender - Season 2 | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Ushio to Tora TV 2 | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Hunter X Hunter | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.43 | 1.45 |
| Hakkenden: Tōhō Hakken Ibun (TV 2) | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Haiyore! Nyaruko-san W | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Kyousogiga TV | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Nejimaki Seirei Senki: Tenkyou no Alderamin | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Avatar: The Last Airbender - Season 1 | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.43 | 1.45 |
| Avatar: The Last Airbender - Season 3 | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.68 | 1.53 |
| Monogatari Series: Second Season | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Kemono Jihen | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Naruto Shippuuden (TV) | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Shiki | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.43 | 1.45 |
| Hanamonogatari | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Shakugan no Shana II | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.43 | 1.45 |
| Shining Tears x Wind | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
