[R] Question about data used to fit the mixed model

2006-07-29 Thread Nantachai Kantanantha
Hi everyone, I would like to ask a question regarding to the data used to fit the mixed model. I wonder that, for the response variable data used to fit the mixed model (either via spm or lme), we must have several observations per subject (i.e. Yij, i = 1,..,M, j = 1,.., ni) or it can be

[R] how to fit with lme function

2006-07-25 Thread Nantachai Kantanantha
Hi everone, I have a question on using lme on a mixed effects model. The linear mixed model is in the form of: y = bX +Zu + e where X and Z are the matrices, b is the coefficient vector of fixed effects, u is the coefficient vector of random effects, and e is an error vector. I would like

[R] Functional Principal Components Analysis

2006-03-30 Thread Nantachai Kantanantha
Hi, I am interested in using functional principal component analysis (Functional PCA). However, in the help of fda package, it does not have an example of pca.fd function. Does anyone have the example of pca.fd function? Thank you very much. Sincerely yours, Nantachai

Re: [R] R for Windows GUI front-end has encountered a problem

2006-03-06 Thread Nantachai Kantanantha
to solve this kind of problem? Sincerely yours, Nantachai From: Uwe Ligges [EMAIL PROTECTED] To: Nantachai Kantanantha [EMAIL PROTECTED] CC: r-help@stat.math.ethz.ch, [EMAIL PROTECTED] Subject: Re: [R] R for Windows GUI front-end has encountered a problem Date: Fri, 03 Mar 2006 08:21:21 +0100

[R] R for Windows GUI front-end has encountered a problem

2006-03-02 Thread Nantachai Kantanantha
Hi, I try to run my model using Quantile Regression (quantreg) package. However, when I run the script, it has an error message in a pop-up window: R for Windows GUI front-end has encountered a problem and needs to close. We are sorry for the inconvenience. The error has error information as