toothpaste {HSAUR} | R Documentation |
Meta-analysis of studies comparing two different toothpastes.
data("toothpaste")
A data frame with 9 observations on the following 7 variables.
Study
nA
meanA
sdA
nB
meanB
sdB
The data are the results of nine randomised trials comparing two different toothpastes for the prevention of caries development. The outcomes in each trial was the change, from baseline, in the decayed, missing (due to caries) and filled surface dental index (DMFS).
B. S. Everitt and A. Pickles (2000), Statistical Aspects of the Design and Analysis of Clinical Trials, Imperial College Press, London.
data("toothpaste", package = "HSAUR") toothpaste