search for: menghui

Displaying 2 results from an estimated 2 matches for "menghui".

2005 Jul 01
5
Generating correlated data from uniform distribution
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
2005 Mar 21
1
How to do knn regression
...hbor 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