How Not To Sort By Average Rating
Posted: Wed Mar 02, 2016 9:13 am
Original article
Lower bound of Wilson score confidence interval for a Bernoulli parameter.
Lower bound of Wilson score confidence interval for a Bernoulli parameter.
Code: Select all
Procedure.f Rating(positive.l,negative.l)
rtg.f = ((positive + 1.9208) / (positive + negative) - 1.96 * Sqr((positive * negative) / (positive + negative) + 0.9604) /(positive + negative)) / (1 + 3.8416 / (positive + negative))
ProcedureReturn rtg
EndProcedure
;Example of rating changes when you change the positive and negative reviews.
positive=1000
negative=1
For i = 0 To 999
Debug "+" + positive + "\-"+negative+" Rating = "+ StrF(Rating(positive,negative)*100,0) + "%"
positive-1
negative+1
Next