why use knn why use knn regression why use knn regression why use knn regression why use knn in regression is there an example of a knn function why would someone use kennn for regression what is the advantage of using knn can you regress using knn how can knn be used in regression why would anyone use knn why use knn why use knn for regression why is knn used for regression what is knn regression what is the purpose of a knn regression function why use knn regression in classifying why would anyone use a knn regression how to use knn for regression why would anyone use knn?