Re: [R] Simulating Gaussian Mixture Models

2008-06-22 Thread Tatiana Benaglia
Take a look at mixtools. Tatiana On Jun 22, 2008, at 9:23 PM, Peng Jiang wrote: Hi, Is there any package that I can use to simulate the Gaussian Mixture Model , which is a mixture modeling method that is widely used in statistical learning theory. I know there is a mclust, however, I

Re: [R] how to use normalmixEM to get correct result?

2007-10-14 Thread Tatiana Benaglia
Hi, you're having problems with the initial values for the EM. If you don't give initial values for lambda, mu, and sigma, the function tries to generate them, which is causing the errors. I'd try to input initial values based on your data. Do the histogram of log.x (you don't need to sort

Re: [R] FW: help with mclust

2007-10-03 Thread Tatiana Benaglia
47 0.234 > out$mu [1] 0.180 0.002 -0.092 > out$sigma [1] 0.077 0.026 0.078 If you wanna visualize the density for each component, use: plot.mixEM(out, density=T) I hope this helps, Tatiana Benaglia Ph.D. Candidate Department of Statistics Penn State University On Oct 3, 2007, at 6:47 PM,