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Hi All I am attempting to generate unbalanced data to estimate the variance components and their standard errors. Also, i am going to use the likelihood ratio test for testing about the random effect variance component. I found that I...
Hello All I am using R to find the impact of ignoring clustering, when indicated by these tests, on bias, variance and inference of estimates of interest, including population totals and regression coefficients. But when U have used the apVar...
Yes, thank you. I was able to resolve the issue using this code: as.matrix(newX%*%Diagonal(length(beta), x=beta)) On Tuesday, September 30, 2014 3:38 AM, peter dalgaard <pdalgd at gmail.com> wrote: On 30 Sep 2014...
Hi, I'm trying to use a function to multiply a matrix (newX) with a simple list (beta). I know that I can simply use matrix multiplication i.e. newX %*%as.matrix(beta) and this works fine. However, the matrix...
Hi all I am trying to generate a normal unbalanced data to estimate the coefficients of LM, LMM, GLM, and GLMM and their standard errors. Also, I am trying to estimate the variance components and their standard errors. Further, I...
I am interested in estimating the variance components from different groups of variables in a linear regression. For example, I want to model dependent variable ?Y? based on six covariates as follows: (these are land use types measured at three...
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