Happy Lesson the Final
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: 8 - 2004, Comedy, High School, OVA, Romance, School Comedy, Sequel, Harem
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 |
|---|---|---|---|---|---|---|---|---|
| Jungle Wa Itsumo Hale Nochi Guu FINAL | 5 | 4.00 | 4.00 | 39% | 3.50 | 1.37 | 4.00 | 1.56 |
| Kanon: Kaza Hana | 6 | 2.60 | 2.36 | 56% | 2.36 | 1.32 | 3.11 | 1.75 |
| Girls Bravo - Second Season | 5 | 3.00 | 2.62 | 39% | 2.62 | 1.02 | 3.45 | 1.35 |
| Final Approach | 5 | 3.00 | 2.55 | 39% | 2.55 | 1.00 | 3.11 | 1.21 |
| Seto no Hanayome (OVA) | 5 | 3.00 | 2.50 | 39% | 2.50 | 0.98 | 2.43 | 0.95 |
| School Rumble | 4 | 3.89 | 3.73 | 25% | 3.73 | 0.93 | 4.94 | 1.23 |
| Mai-HiME | 4 | 3.88 | 3.71 | 25% | 3.71 | 0.93 | 4.84 | 1.21 |
| Maria+Holic | 5 | 2.75 | 2.34 | 39% | 2.34 | 0.91 | 2.78 | 1.09 |
| Da Capo Second Season | 5 | 2.75 | 2.34 | 39% | 2.34 | 0.91 | 2.78 | 1.09 |
| Hayate no Gotoku !! | 4 | 3.75 | 3.53 | 25% | 3.53 | 0.88 | 4.18 | 1.04 |
| Project A-ko 3: Cinderella Rhapsody | 5 | 2.50 | 2.25 | 39% | 2.25 | 0.88 | 2.86 | 1.12 |
| Full Metal Panic ~Fumoffu~ Special | 4 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Aki-Sora | 4 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Tenchi Muyou! Ryououki OAV 3 plus 1 | 4 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.43 | 1.11 |
| Fruits Basket: The Final | 4 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Fruits Basket 2nd Season | 4 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Steel Angel Kurumi Encore | 4 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.43 | 1.11 |
| Suzumiya Haruhi no Shoushitsu | 4 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.68 | 1.17 |
| Yahari Ore no Seishun Love Come wa Machigatteiru. Kan | 4 | 4.00 | 4.00 | 25% | 3.50 | 0.88 | 4.00 | 1.00 |
| Kannagi | 5 | 2.57 | 2.21 | 39% | 2.21 | 0.86 | 3.05 | 1.19 |
| Onegai Twins OAV | 5 | 2.57 | 2.21 | 39% | 2.21 | 0.86 | 3.05 | 1.19 |
| Shuffle! | 4 | 3.67 | 3.43 | 25% | 3.43 | 0.86 | 4.31 | 1.08 |
| School Rumble Ni Gakki | 4 | 3.67 | 3.43 | 25% | 3.43 | 0.86 | 4.31 | 1.08 |
| Usagichan De Cue | 4 | 3.60 | 3.36 | 25% | 3.36 | 0.84 | 4.11 | 1.03 |
| School Rumble OVA Ichigakki Hoshu | 4 | 3.60 | 3.36 | 25% | 3.36 | 0.84 | 4.11 | 1.03 |
| Akane Maniax | 5 | 2.33 | 2.10 | 39% | 2.10 | 0.82 | 2.54 | 0.99 |
| Natsuiro no Sunadokei | 5 | 2.33 | 2.10 | 39% | 2.10 | 0.82 | 2.54 | 0.99 |
| Mahou Tsukai Tai! | 4 | 3.60 | 3.27 | 25% | 3.27 | 0.82 | 4.37 | 1.09 |
| Gokusen (Live Action) | 4 | 3.50 | 3.25 | 25% | 3.25 | 0.81 | 3.43 | 0.86 |
| Kannagi (OVA) | 5 | 2.25 | 2.03 | 39% | 2.03 | 0.79 | 2.68 | 1.05 |
| Iriya no Sora, UFO no Natsu | 4 | 3.33 | 3.10 | 25% | 3.10 | 0.77 | 3.54 | 0.89 |
| Seitokai no Ichizon: Hekiyou Gakuen Seitokai Gijiroku | 4 | 3.33 | 3.10 | 25% | 3.10 | 0.77 | 3.54 | 0.89 |
| Nazo no Kanojo X: Nazo no Natsu Matsuri | 4 | 3.33 | 3.10 | 25% | 3.10 | 0.77 | 3.54 | 0.89 |
| Maburaho | 4 | 3.43 | 3.06 | 25% | 3.06 | 0.77 | 3.91 | 0.98 |
| Love Hina Again | 4 | 3.40 | 3.04 | 25% | 3.04 | 0.76 | 4.37 | 1.09 |
| Ichigo 100% OVA 5 | 4 | 3.25 | 3.03 | 25% | 3.03 | 0.76 | 3.68 | 0.92 |
| Sumomomo Momomo ~ Chijou Saikyou no Yome | 4 | 3.20 | 3.00 | 25% | 3.00 | 0.75 | 3.80 | 0.95 |
| Midori no Hibi | 4 | 3.40 | 3.00 | 25% | 3.00 | 0.75 | 4.03 | 1.01 |
| Hand Maid May Special | 4 | 3.40 | 3.00 | 25% | 3.00 | 0.75 | 3.60 | 0.90 |
| Love Hina - Motoko's Choice | 4 | 3.33 | 2.96 | 25% | 2.96 | 0.74 | 3.70 | 0.93 |
| Tenchi Muyou! Ryououki (OAV 3) | 4 | 3.33 | 2.86 | 25% | 2.86 | 0.72 | 3.07 | 0.77 |
| DearS | 4 | 3.23 | 2.79 | 25% | 2.79 | 0.70 | 3.93 | 0.98 |
| Omamori Himari | 4 | 3.00 | 2.65 | 25% | 2.65 | 0.66 | 3.15 | 0.79 |
| Ichigo 100% OVA 1 | 4 | 3.00 | 2.65 | 25% | 2.65 | 0.66 | 3.15 | 0.79 |
| To Heart ~Remember My Memories~ | 4 | 3.00 | 2.59 | 25% | 2.59 | 0.65 | 2.87 | 0.72 |
| Ichiban Ushiro no Daimaou | 4 | 3.00 | 2.59 | 25% | 2.59 | 0.65 | 3.30 | 0.82 |
| Nyan Koi! | 4 | 3.00 | 2.55 | 25% | 2.55 | 0.64 | 3.11 | 0.78 |
| Zero no Tsukaima: Futatsuki no Kishi | 4 | 2.86 | 2.54 | 25% | 2.54 | 0.63 | 3.43 | 0.86 |
| Ichigo 100% TV | 4 | 2.75 | 2.53 | 25% | 2.53 | 0.63 | 3.18 | 0.79 |
| To Heart 2 OVA | 4 | 3.00 | 3.00 | 25% | 2.50 | 0.62 | 3.00 | 0.75 |
