search for: bivarait

Hi Is there any way to fit a bivaraite longitudinal mixed model using R. I have a data set with col names resp1 (Y_ij1), resp2 (Y_ij2), timepts (t_ij), unit(i) j=1,2,..,m and i=1,2,..n. I want to fit the following two models Model 1 Y_ij1, Y_ij2 | U_i = u_i ~ N(alpha + u_i + beta1*t_ij, Sigma) U_i ~ iid N(0, sigu^2) Sigma =...

...(bivariate Chi-squared distribution<Wishart distribution>, bivariate F-distribution, or any of the others). I want to to used it as a benchmark to compare a few strategies constructing confidence regions for non-symmetric bivariate data. There is a paper proposed an accumulative function for bivaraite F-Distribution, but it was basically oriented for "one-tail" testing. I understand that it is nonsense to consider two-tails of F or Chi^2 distribution in most cases. But we may still need to know the confidence intervals of a estimate following the distributions in some situations. Ther...

...is the first step, the second is Bivariate analysis. Also, before posting here, I submit this package on a French forum. The first suggestion is to extend this package to HTML. I will not have time to do it alone. So if some people are interested, two other project are almost open : - R to LaTeX Bivaraite Analysis - R to HTML Univariate Analysis Thanks Christophe Genolini Junior statistician "PSIGIAM: Paris Sud Innovation Group in Adolescent Mental Health" INSERM U669 / Maison de Solenn / Paris _______________________________________________ R-packages mailing list R-packages at r-pro...

...is the first step, the second is Bivariate analysis. Also, before posting here, I submit this package on a French forum. The first suggestion is to extend this package to HTML. I will not have time to do it alone. So if some people are interested, two other project are almost open : - R to LaTeX Bivaraite Analysis - R to HTML Univariate Analysis Thanks Christophe Genolini Junior statistician "PSIGIAM: Paris Sud Innovation Group in Adolescent Mental Health" INSERM U669 / Maison de Solenn / Paris _______________________________________________ R-packages mailing list R-packages at r-pro...