Best bets for:

Minami-ke Okaeri

Rating Average: 2.5000
Rating Stddev: 0.5
Review Count: 4
Existing Best Bet #: 2.86135311614679
( $rating_average - $rating_stddev ) + ( log($reviews) / log(5) )
( 2.5000 - 0.5 ) + ( 1.38629436111989 / 1.6094379124341 )
( 2 ) - 0.861353116146786
Proposed Best Bet #:
( ( $rating_average - ( $rating_stddev / 2) ) - ( ( $stddev==0 and $reviews<5)? .5: 0 ) * $similarity
( ( 2.5000 - 0.25 ) - 0 ) * $similarity
( 2.25 - 0 ) * $similarity
2.25 * $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 - 2009, TV, Modern, Comedy, Slice of Life, 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
Clannad: After Story 6 3.33 3.10 100% 3.10 3.10 3.98 3.98
Amaama to Inazuma 5 4.00 4.00 69% 3.50 2.43 4.00 2.78
Toradora! 5 3.70 3.47 69% 3.47 2.41 4.67 3.24
Azumanga Daioh (TV) 5 3.67 3.37 69% 3.37 2.34 4.75 3.30
Minami-ke 5 3.60 3.36 69% 3.36 2.33 4.11 2.85
Sasameki Koto 6 2.50 2.25 100% 2.25 2.25 2.86 2.86
Ladies versus Butlers! 6 2.50 2.25 100% 2.25 2.25 2.86 2.86
Suzumiya Haruhi no Yuutsu 2009 6 2.40 2.16 100% 2.16 2.16 2.91 2.91
REC 5 3.14 2.97 69% 2.97 2.06 4.00 2.78
K-ON! 5 3.00 2.73 69% 2.73 1.90 3.67 2.55
Lamune 5 3.00 2.68 69% 2.68 1.86 3.37 2.34
Yakitate!! Japan 4 4.00 4.00 44% 4.00 1.78 5.00 2.22
Minami-ke: Betsubara 5 3.00 3.00 69% 2.50 1.74 3.43 2.38
Minami-ke Tadaima 5 3.00 3.00 69% 2.50 1.74 3.00 2.08
Mitsudomoe 5 3.00 2.50 69% 2.50 1.74 2.43 1.69
Ore no Imouto ga Konna ni Kawaii Wake ga Nai Dai 2-ki 5 2.67 2.43 69% 2.43 1.69 2.88 2.00
School Rumble 4 3.89 3.73 44% 3.73 1.66 4.94 2.20
Da Capo Second Season 5 2.75 2.34 69% 2.34 1.62 2.78 1.93
Aoi Hana 5 2.80 2.31 69% 2.31 1.60 2.82 1.96
B Gata H Kei 5 2.80 2.31 69% 2.31 1.60 2.82 1.96
Suzumiya Haruhi no Yuutsu 4 3.80 3.60 44% 3.60 1.60 4.83 2.15
Kamichu! 4 3.80 3.60 44% 3.60 1.60 4.40 1.96
Usagi Drop 4 3.80 3.60 44% 3.60 1.60 4.40 1.96
Hayate no Gotoku !! 4 3.75 3.53 44% 3.53 1.57 4.18 1.86
Nazo no Kanojo X 4 3.75 3.53 44% 3.53 1.57 4.18 1.86
Rozen Maiden 4 3.75 3.53 44% 3.53 1.57 4.61 2.05
Ore no Imouto ga Konna ni Kawaii Wake ga Nai 5 2.50 2.25 69% 2.25 1.56 2.86 1.99
Hyakko 5 2.50 2.25 69% 2.25 1.56 2.86 1.99
K-ON!! 5 2.50 2.25 69% 2.25 1.56 2.43 1.69
Chio-chan no Tsuugakuro 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Sakura Quest 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Kuuchuu Buranko 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Bindzume Yousei 4 4.00 4.00 44% 3.50 1.56 4.43 1.97
Horimiya 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Danshi Kōkōsei no Nichijō 4 4.00 4.00 44% 3.50 1.56 4.43 1.97
Gin no Saji Dai-2-ki 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Full Metal Panic! The Second Raid (OVA) 4 4.00 4.00 44% 3.50 1.56 4.86 2.16
Shirobako (TV) 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Kitakubu Katsudou Kiroku 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Amanchu! 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Gin no Saji 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Rumic Theater 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Hanamonogatari 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Aki-Sora 4 4.00 4.00 44% 3.50 1.56 4.00 1.78
Nanaka 6/17 4 3.67 3.43 44% 3.43 1.52 3.88 1.72
Amagami SS 5 2.40 2.16 69% 2.16 1.50 2.91 2.02
Koi Kaze 4 3.67 3.29 44% 3.29 1.46 4.03 1.79
Taiho Shichauzo! (TV) 4 3.67 3.29 44% 3.29 1.46 4.03 1.79
Full Metal Panic 4 3.64 3.28 44% 3.28 1.46 5.00 2.22
K-On! TV Special 5 2.33 2.10 69% 2.10 1.46 2.54 1.77

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