cluster.cormat(id, type = c("independence", "ar1", "ma1",
"exchangeable", "unstructured"))
independence |
| working independence. |
ar1 |
| autoregressive of order 1. |
ma1 |
| moving average of order 1. |
exchangeable |
| exchangeable. |
cormat.gcmr representing a correlation matrix for longitudinal or clustered data.
nlme package (Pinheiro and Bates, 2000).
Pinheiro, J.C. and Bates, D.M. (2000). Mixed-Effects Models in S and S-PLUS. Springer.
gcmr, nlme.