One feature's ratings over a period: up, down, the share down, whether it needs a look, and how many thumbs down nobody has looked at.
Enough ratings, and enough of them down, to look at.
Share of ratings that were thumbs down; null with none.
Thumbs down nobody has looked at yet.
One feature's ratings over a period: up, down, the share down, whether it needs a look, and how many thumbs down nobody has looked at.