Youjo Senki: Saga of Tanya the Evil
Rating Average: 3.0000Rating Stddev: 0
Review Count: 1
Existing Best Bet #: 3
( $rating_average - $rating_stddev ) + ( log($reviews) / log(5) )
( 3.0000 - 0 ) + ( 0 / 1.6094379124341 )
( 3 ) - 0
Proposed Best Bet #:
( ( $rating_average - ( $rating_stddev / 2) ) - ( ( $stddev==0 and $reviews<5)? .5: 0 ) * $similarity
( ( 3.0000 - 0 ) - 0.5 ) * $similarity
( 3 - 0.5 ) * $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: 7 - 2017, Action, TV, Fantasy, Historical, Magic, War
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 |
|---|---|---|---|---|---|---|---|---|
| Juuni Kokuki | 5 | 3.90 | 3.75 | 51% | 3.75 | 1.91 | 5.03 | 2.57 |
| Shoukoku no Altair | 5 | 4.00 | 4.00 | 51% | 3.50 | 1.79 | 4.00 | 2.04 |
| Junketsu no Maria | 5 | 4.00 | 4.00 | 51% | 3.50 | 1.79 | 4.00 | 2.04 |
| Little Witch Academia TV | 5 | 4.00 | 4.00 | 51% | 3.50 | 1.79 | 4.00 | 2.04 |
| Re:CREATORS | 5 | 3.50 | 3.25 | 51% | 3.25 | 1.66 | 3.43 | 1.75 |
| Tears to Tiara | 5 | 3.25 | 3.03 | 51% | 3.03 | 1.55 | 3.68 | 1.88 |
| D.Gray-man | 5 | 3.00 | 2.59 | 51% | 2.59 | 1.32 | 2.87 | 1.46 |
| Roudosu Tou Senki: Eiyuu Kishi Den | 5 | 3.00 | 2.58 | 51% | 2.58 | 1.32 | 3.79 | 1.94 |
| Zero Kara Hajimeru Mahō no Sho | 5 | 3.00 | 3.00 | 51% | 2.50 | 1.28 | 3.00 | 1.53 |
| Fate/Apocrypha | 5 | 3.00 | 3.00 | 51% | 2.50 | 1.28 | 3.00 | 1.53 |
| Scrapped Princess | 4 | 3.88 | 3.71 | 32% | 3.71 | 1.21 | 4.84 | 1.58 |
| Mahou Shoujo Lyrical Nanoha A's | 4 | 3.75 | 3.53 | 32% | 3.53 | 1.15 | 4.18 | 1.36 |
| Mahou Shoujo Lyrical Nanoha | 4 | 3.75 | 3.53 | 32% | 3.53 | 1.15 | 4.18 | 1.36 |
| Mahou Tsukai no Yome | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Princess Principal | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Fairy Tail | 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 |
| Re: Zero Kara Hajimeru Isekai Seikatsu (TV 2) | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Re: Zero Kara Hajimeru Isekai Seikatsu | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Kidō Senshi Gundam: Tekketsu no Orphans (TV 2) | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Shining Tears x Wind | 4 | 4.00 | 4.00 | 32% | 3.50 | 1.14 | 4.00 | 1.31 |
| Lodoss Tou Senki (OAV) | 4 | 3.67 | 3.43 | 32% | 3.43 | 1.12 | 4.74 | 1.55 |
| Sekirei | 4 | 3.50 | 3.25 | 32% | 3.25 | 1.06 | 4.11 | 1.34 |
| Loveless (TV) | 4 | 3.50 | 3.25 | 32% | 3.25 | 1.06 | 3.43 | 1.12 |
| Kiba | 4 | 3.50 | 3.25 | 32% | 3.25 | 1.06 | 3.43 | 1.12 |
| Hai to Gensou no Grimgar | 4 | 3.50 | 3.25 | 32% | 3.25 | 1.06 | 3.43 | 1.12 |
| Tenkuu no Escaflowne | 4 | 3.56 | 3.23 | 32% | 3.23 | 1.06 | 5.06 | 1.65 |
| Yoake Mae Yori Ruri Iro Na | 5 | 2.00 | 2.00 | 51% | 2.00 | 1.02 | 3.00 | 1.53 |
| Mononoke Hime | 4 | 3.42 | 3.02 | 32% | 3.02 | 0.99 | 4.76 | 1.55 |
| Mahou Senshi Riui | 4 | 3.29 | 2.94 | 32% | 2.94 | 0.96 | 3.79 | 1.24 |
| Bleach | 4 | 3.43 | 2.90 | 32% | 2.90 | 0.95 | 3.59 | 1.17 |
| Zero no Tsukaima | 4 | 3.00 | 2.78 | 32% | 2.78 | 0.91 | 3.98 | 1.30 |
| Fate/stay night | 4 | 3.14 | 2.73 | 32% | 2.73 | 0.89 | 3.52 | 1.15 |
| Kaze no Stigma | 4 | 3.17 | 2.72 | 32% | 2.72 | 0.89 | 3.38 | 1.10 |
| Tsubasa Chronicle | 4 | 3.20 | 2.71 | 32% | 2.71 | 0.88 | 3.22 | 1.05 |
| The Sacred Blacksmith | 4 | 3.00 | 2.65 | 32% | 2.65 | 0.86 | 3.15 | 1.03 |
| G-on Riders | 4 | 3.00 | 2.59 | 32% | 2.59 | 0.85 | 2.87 | 0.94 |
| Ichiban Ushiro no Daimaou | 4 | 3.00 | 2.59 | 32% | 2.59 | 0.85 | 3.30 | 1.08 |
| Zero no Tsukaima: Futatsuki no Kishi | 4 | 2.86 | 2.54 | 32% | 2.54 | 0.83 | 3.43 | 1.12 |
| Jigokuraku | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
| Shingeki no Kyojin | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.43 | 1.12 |
| Solo Leveling S1 | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
| Maou 2099 | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
| Shuumatsu no Izetta | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
| Kyou Kara Maou | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
| Yūki Yūna wa Yūsha de Aru: Yūsha no Shō | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
| Nanatsu no Taizai: Kamigami no Gekirin | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
| Solo Leveling S2 -Arise from the Shadow- | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
| Hagane no Renkinjutsushi - FULLMETAL ALCHEMIST | 4 | 3.00 | 2.50 | 32% | 2.50 | 0.82 | 2.86 | 0.93 |
| Seija Musou | 4 | 3.00 | 3.00 | 32% | 2.50 | 0.82 | 3.00 | 0.98 |
