myocardial {randomLCA} | R Documentation |
Four tests were performed on hospital patients to determine if a myocardial infarction had occurred.
data(myocardial)
A data frame with 32 observations on the following 6 variables.
Q.wave
History
LDH
CPK
freq
Rindskopf and Rindskopf (1986)
Galen, R.S. and Gambino, S.R. (1975) Beyond Normality: The Predictive Value and Efficiency of Medical Diagnosis. Wiley:New York.
Rindskopf, D. and Rindskopf, W. (1986) The Value of Latent Class Analysis in Medical Diagnosis. Statistics in Medicine, 5, 21–27.
data(myocardial) # fit 2 class model from Rindskopf and Rindskopf (1986) myocardial.lca2 <- randomLCA(myocardial[,1:4],freq=myocardial$freq)