rats {R2MLwiN} | R Documentation |
Weights of 30 rats, measured weekly over 5 weeks.
Description
Weights of 30 rats, measured weekly over 5 weeks.
Usage
rats
Format
A data frame with 30 observations on the following 7 variables:
- y8
Weight on day 8.
- y15
Weight on day 15.
- y22
Weight on day 22.
- y29
Weight on day 29.
- y36
Weight on day 36.
- cons
Constant(=1).
- rat
Rat ID
Details
The rats
dataset is one of the sample datasets provided with the
multilevel-modelling software package MLwiN (Rasbash et al., 2009); see
Browne (2012) and Gelfand (1990) for further details.
Source
Browne, W. J. (2012) MCMC Estimation in MLwiN Version 2.26. University of Bristol: Centre for Multilevel Modelling.
Gelfand, A. E., Hills, S.E., Racine-Poon, A., Smith, A.F.M. (1990) Illustration of Bayesian inference in normal data models using Gibbs sampling. Journal of the American Statistical Association 85: 972-985.
Rasbash, J., Charlton, C., Browne, W.J., Healy, M. and Cameron, B. (2009) MLwiN Version 2.1. Centre for Multilevel Modelling, University of Bristol.
Examples
## Not run:
data(rats, package = "R2MLwiN")
(mymodel <- runMLwiN(c(y8, y15, y22, y29, y36) ~ 1 + (1 | rat),
D = "Multivariate Normal", estoptions = list(EstM = 1),
data = rats))
## End(Not run)