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A vast area which includes generating results from computer models.

7 votes
3 answers
11k views

How to simulate data based on a linear mixed model fit object in R?

Assume, I have a data set, which is similar to require(nlme) ?Orthodont and my model is fm2 <- lme(distance ~ age + Sex, data = Orthodont, random = ~ 1) How can I use the model fit object f …
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  • 2,977
10 votes
2 answers
5k views

How to simulate repeated measures multivariate outcomes in R?

@whuber has demonstrated how to simulate multivariate outcomes ($y_1$, $y_2$, and $y_3$) for one time point. As we know, longitudinal data often occur in medical studies. My question is how to simula …
Tu.2's user avatar
  • 2,977