Applied Longitudinal Data Analysis: Modeling Change and Event Occurrenceby Judith D. Singer and John B. Willett Chapter 7: Examining the multilevel model s error covariance structure

Table 7.2, page 246

Conventional multilevel model for change: Opposite naming data, Restricted ML

get file = 'c:\alda\opposites_pp.sav'.

mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /random=intercept time | subject(id) covtype(un).

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Table 7.3, pages 258-259

Conventional multilevel model for change: Opposite naming data, Comparing alternative error structures at level-1, with none at level-2 (REML).

* Table 7.3a Unstructured.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /repeated wave | subject(id) covtype(un).

* Table 7.3b Compound Symmetry.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /repeated wave | subject(id) covtype(cs).

* Table 7.3c Heterogenous Compound Symmetry.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /repeated wave | subject(id) covtype(csh).

* Table 7.3d AR1.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /repeated wave | subject(id) covtype(ar1).

* Table 7.3e ARH1.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /repeated wave | subject(id) covtype(arh1).

* Table 7.3f Toeplitz.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /repeated wave | subject(id) covtype(tp).

Table 7.3a Unstructured.

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Table 7.3b Compound Symmetry

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Table 7.3c Heterogeneous Compound Symmetry

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Table 7.3d Autoregressive

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Table 7.3e Heterogeneous Autoregressive

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Table 7.3f Toeplitz

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Table 7.4, page 265

Comparing fixed effects in models with alternative error structures

* Table 7.4a standard error covariance structure.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /random intercept time | subject(id) covtype(un).

* Table 7.4b Toeplitz.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /repeated wave | subject(id) covtype(tp).

* Table 7.4c unstructured.
mixed opp with time ccog 
  /print=solution
  /method=reml
  /fixed=intercept time ccog time*ccog
  /repeated wave | subject(id) covtype(un).

Table 7.4a Standard error covariance structure

alda-chp7-74a1