Skillet (band) 2000, Trey McClurkin parted ways with Skillet, and Lori Peters filled the drummer's position. The band released their first worship album, and fourth album overall, "Ardent Worship" in late 2000. The band kept much of their sound from "Invincible" on their next album "Alien Youth". With little time between touring and recording, Skillet released "Alien Youth" on August 28, 2001, which was the first album that John Cooper took on production duties. Before the release of "Alien Youth", Haaland left the band, and Ben Kasica took over on guitar. In 2003, "Collide", the band's sixth studio album, was released by
Item-item collaborative filtering is analogous to "people who rate item X highly, like you, also tend to rate item Y highly, and you haven't rated item Y yet, so you should try it". Item-item collaborative filtering had less error than user-user collaborative filtering. In addition, its less-dynamic model was computed less often and stored in a smaller matrix, so item-item system performance was better than user-user systems. Slope One is a family of item-item collaborative filtering algorithms designed to reduce model overfitting problems. Item-item collaborative filtering Item-item collaborative filtering, or item-based, or item-to-item, is a form of collaborative filtering for recommender systems based