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2 results for “from:Menghui Chen”

Generating correlated data from uniform distribution
Menghui Chen · Jul 1, 2005 · r-help

Dear R users, I want to generate two random variables (X1, X2) from uniform distribution (-0.5, 0.5) with a specified correlation coefficient r. Does anyone know how to do it in R? Many thanks! Menghui

How to do knn regression
Menghui Chen · Mar 21, 2005 · r-help

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...

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