3 ms·
The main flaw in this formula is that when positive=0 the negative votes have no weight.
by gowld 5y ago
The main flaw in this formula is that when positive=0 the negative votes have no weight.
- rdlw 5y agoA heuristic I use when looking at products with low numbers of reviews is to add one positive and one negative review, so (positive+1)/(positive+negative+2). This basically makes the 'default' rating 50% or 3 stars or whatever, and votes move the rating from that default.