1. Yes 100 and 1000 are also possible. But “consider titles” sets it to 1, “consider with extra weight” sets it to 2. So anything larger than 2 is unusual. While using the standard theme, YARPP will show the scores for each related item. You could try disabling all but one weight and seeing what the scores look like, to get a sense for how you’d like the algorithm to weigh each parameter.
2. In order to exclude all posts of a specific post type from “the pool” (ie, never suggest them), you, for now, need to use the new setting: https://i.imgur.com/xQUZ6My.png
We’ll investigate making it so you can exclude post types using yarpp_related too, but that will require some development time and I’m not sure how quickly that will be done.
