To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
It's just okay. I did find it hard work to understand at times, especially when it's supposed to be written in order for people to understand the translation, but hey ho, I wanted to to know about the predictions, so now I do.