✳flâneur — a map of the web's best reading

How Not To Sort By Average Rating – Evan Miller

evanmiller.org · 1,149 words · saved by 4 readers

Users are rating items on your website. How do you know what the highest-rated items are?

How Not To Sort By Average Rating – Evan Miller How Not To Sort By Average Rating By Evan Miller February 6, 2009 ( Changes ) Translations: Dutch Estonian German Russian Ukrainian PROBLEM : You are a web programmer. You have users. Your users rate stuff on your site. You want to put the highest-rated stuff at the top and lowest-rated at the bottom. You need some sort of “score” to sort by. WRONG SOLUTION #1 : Score = (Positive ratings) − (Negative ratings) Why it is wrong : Suppose one item has 600 positive ratings and 400 negative ratings: 60% positive. Suppose item two has 5,500 positi

Explore this link on the map →

saved by

related reading