stlouis {mix} | R Documentation |
St. Louis Risk Research Project
Description
The St. Louis Risk Research Project was an observational study to assess the affects of parental psychological disorders on child development. In the preliminary study, 69 families with 2 children were studied.
Usage
data(stlouis)
Format
This is a numeric matrix with 69 rows and 7 columns:
[,1] | G | Parental risk group |
[,2] | D1 | Symptoms, child 1 |
[,3] | D2 | Symptoms, child 2 |
[,4] | R1 | Reading score, child 1 |
[,5] | V1 | Verbal score, child 1 |
[,6] | R2 | Reading score, child 2 |
[,7] | V2 | Verbal score, child 2 |
The parental risk group was coded 1, 2 or 3, from low or high, and the
child symptoms 1 = low or 2 = high. Missing values occur on all
variables except G
.
Source
Little, R. J. A. and Schluchter, M. D. (1985), Maximum-likelihood estimation for mixed continuous and categorical data with missing values. Biometrika, 72, 492–512.
Schafer, J. L. (1996) Analysis of Incomplete Multivariate Data. Chapman & Hall. pp. 359–367.
[Package mix version 1.0-12 Index]