Questions tagged [asreml]

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Can I remove the random effects in mixed models that showed near-zero variances (asremlR)

I am fitting mixed models using the package asremlR, and some of the estimated variance components had very low variances and "NA" standard errors. The goals of my analyses were to test the ...
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GLMM Likelihood ratio test in ASREML-R

I have set up a series of GLMMs to test the significance of two random effects: sire and sire/dam (dam nested within sire). In these models, my response variable is sex. Sex is specified as a binary ...
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My ASReml GLMM is predicting “NA” values for one of my variables, any suggestions on how to fix this? [closed]

My question is: What is the relationship between malaria and schistosomiasis? Therefor, I have plotted this GLMM; ...
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239 views

In a mixed model (asreml), are coefficients and predictions the same?

I am using asreml-R to model genotypic effects of crop field trials and I am confused on how to get best linear unbiased estimates for crop varieties of the model. I've found two different ways how ...