| rats {OLStrajr} | R Documentation |
Rat Weight Data from HLM manual
Description
Data obtained from Rogosa & Saner (1995) which describes the data as: "Example 1. The rat weight data are taken from the HLM manual (Bryk et al., 1989). The rat data consist of 10 individuals, with weight measurements (Y) at five occasions (Weeks 0, 1,2, 3, 4) and a background measure, the mother's weight (Z)."
Usage
rats
Format
rats
A data frame with 10 observations and 7 variables:
- Rat
Rat identifier
- t0, t1, t2, t3, t4
Week of weight measure
- Z
Mother's weight
Source
References
Bryk, A. S., Raudenbush, S. W., Seltzer, M., & Congdon, R. T. (1989). An introduction to HLM: Computer program and user's guide. Chicago: University of Chicago. doi:10.1201/9780429246593
Rogosa, D., & Saner, H. (1995). Longitudinal Data Analysis Examples with Random Coefficient Models. Journal of Educational and Behavioral Statistics, 20(2), 149-170. doi:10.3102/10769986020002149