Best bets for:

Photon

Rating Average: 2.6667
Rating Stddev: 0.74535599249993
Review Count: 6
Existing Best Bet #: 3.03462676005945
( $rating_average - $rating_stddev ) + ( log($reviews) / log(5) )
( 2.6667 - 0.74535599249993 ) + ( 1.79175946922805 / 1.6094379124341 )
( 1.92134400750007 ) - 1.11328275255938
Proposed Best Bet #:
( ( $rating_average - ( $rating_stddev / 2) ) - ( ( $stddev==0 and $reviews<5)? .5: 0 ) * $similarity
( ( 2.6667 - 0.372677996249965 ) - 0 ) * $similarity
( 2.29402200375003 - 0 ) * $similarity
2.29402200375003 * $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: 9 - Action, Comedy, OVA, Sci-Fi, Ecchi, Fan Service, 1997, 1998, Seinen

For reference, Devil Doll's similarity calc is this:
( $matching_keys * ( $matching_keys / $total_keys ) * $total_keys ) / ( $total_keys * $total_keys )
Pool of potential series:
TitleKey MatchRatingRating - stddevDevil Doll's Similarity CalcNew bbetNew bbet * SimilarityOld bbetOld bbet * Similarity
Usagichan De Cue 7 3.60 3.36 60% 3.36 2.03 4.11 2.49
Aika 8 2.88 2.41 79% 2.41 1.91 3.24 2.56
Battle Athletes (OAV) 7 3.20 2.83 60% 2.83 1.71 3.45 2.09
Sky Girls (OVA) 7 2.50 2.25 60% 2.25 1.36 2.43 1.47
Full Metal Panic ~Fumoffu~ 5 4.00 4.00 30% 4.00 1.23 5.59 1.73
Tetsuwan Birdy 5 4.00 4.00 30% 3.50 1.08 4.43 1.37
Full Metal Panic! The Second Raid (OVA) 5 4.00 4.00 30% 3.50 1.08 4.86 1.50
Legend of the Galactic Heroes 5 3.67 3.43 30% 3.43 1.06 3.88 1.20
FLCL 5 3.74 3.42 30% 3.42 1.06 5.36 1.65
School Days: Magical Heart Kokoro-chan 6 2.75 2.34 44% 2.34 1.04 2.78 1.24
Chobits 5 3.56 3.16 30% 3.16 0.98 4.82 1.49
Iriya no Sora, UFO no Natsu 5 3.33 3.10 30% 3.10 0.96 3.54 1.09
Elfen Lied 5 3.50 3.07 30% 3.07 0.95 4.18 1.29
Honoo no Labyrinth 5 3.25 3.03 30% 3.03 0.94 3.68 1.14
Afro Samurai: Resurrection 6 2.33 2.10 44% 2.10 0.93 2.54 1.13
Fight Ippatsu! Juuden-chan!! 6 2.25 2.03 44% 2.03 0.90 2.68 1.19
Omamori Himari 5 3.00 2.65 30% 2.65 0.82 3.15 0.97
G-on Riders 5 3.00 2.59 30% 2.59 0.80 2.87 0.88
Ichiban Ushiro no Daimaou 5 3.00 2.59 30% 2.59 0.80 3.30 1.02
Full Metal Panic! The Second Raid 4 4.00 4.00 19% 4.00 0.79 5.29 1.05
High School of the Dead 5 3.00 2.55 30% 2.55 0.79 3.11 0.96
H.O.T.D: Drifters of the Dead 5 3.00 3.00 30% 2.50 0.77 3.00 0.93
Sekirei ~Pure Engagement~ 5 3.00 2.50 30% 2.50 0.77 2.86 0.88
Tenchi Muyou! Ryououki Special Bangaihen 5 3.00 3.00 30% 2.50 0.77 3.00 0.93
Zero no Tsukaima: Princess no Rondo 5 3.00 2.50 30% 2.50 0.77 2.43 0.75
The Samurai 5 3.00 3.00 30% 2.50 0.77 3.43 1.06
Top wo Nerae! 2 5 3.00 3.00 30% 2.50 0.77 3.00 0.93
Variable Geo 5 3.00 3.00 30% 2.50 0.77 3.00 0.93
Needless 5 3.00 2.50 30% 2.50 0.77 2.86 0.88
Vandread 4 3.89 3.73 19% 3.73 0.74 4.94 0.98
Trigun 4 3.90 3.70 19% 3.70 0.73 5.94 1.17
Kyou no Go no Ni (OVA) 5 2.60 2.36 30% 2.36 0.73 3.11 0.96
AIR GEAR 5 2.75 2.34 30% 2.34 0.72 2.78 0.86
Yokohama Kaidashi Kikou 5 2.75 2.34 30% 2.34 0.72 2.78 0.86
Vandread The Second Stage 4 3.80 3.60 19% 3.60 0.71 4.40 0.87
Suzumiya Haruhi no Yuutsu 4 3.80 3.60 19% 3.60 0.71 4.83 0.95
Cowboy Bebop 4 3.81 3.55 19% 3.55 0.70 5.74 1.13
Compiler 5 2.50 2.25 30% 2.25 0.69 2.43 0.75
Haiyore! Nyaruko-san W 4 4.00 4.00 19% 3.50 0.69 4.00 0.79
Aki-Sora 4 4.00 4.00 19% 3.50 0.69 4.00 0.79
Suzumiya Haruhi no Shoushitsu 4 4.00 4.00 19% 3.50 0.69 4.68 0.92
Wanpanman OVAs & Specials 4 4.00 4.00 19% 3.50 0.69 4.00 0.79
Shinseiki GPX Cyber Formula SAGA 4 4.00 4.00 19% 3.50 0.69 4.00 0.79
Legend of the Galactic Heroes: A Hundred Billion Stars, A Hundred Billion Lights 4 4.00 4.00 19% 3.50 0.69 4.00 0.79
Onegai Twins OAV 5 2.57 2.21 30% 2.21 0.68 3.05 0.94
Elfen Lied - Special 5 2.60 2.20 30% 2.20 0.68 2.80 0.86
Shuffle! 4 3.67 3.43 19% 3.43 0.68 4.31 0.85
Top wo Nerae! 4 3.67 3.43 19% 3.43 0.68 3.88 0.77
Saber Marionette J to X 4 3.67 3.43 19% 3.43 0.68 3.88 0.77
Gunsmith Cats 4 3.71 3.42 19% 3.42 0.68 4.77 0.94

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