ksmooth() will work for you, since you only have one predictor. There are better choices, though, such as loess(). Andy
From: Menghui Chen How can I do a simple k nearest neighbor regression in R? My training data have 1 predictor and 1 outcome, both are numeric. I also need to use FPE and SC to find the optimal model. I know there is knn() in class package, but it's for knn classification. I also find a kknn package. What function should I use? Thanks in advance! Menghui
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