Using the data in folder cd4 regarding CD4 percentages for young children with HIV, we shall revisit Exercise 12.2. (a) Use Bugs to fit the model in Exercise 12.2(a). Interpret the results. (b) Use...

Using the data in folder cd4 regarding CD4 percentages for young children with HIV, we shall revisit Exercise 12.2.

(a) Use Bugs to fit the model in Exercise 12.2(a). Interpret the results.

(b) Use Bugs to fit the model in Exercise 12.2(b). Interpret the results.

(c) How do the results from these models compare to the fits from lmer()?

(d) Summarize the results graphically as in Section 16.3.