ggm (version 2.5.1)

stress: Stress

Description

Stress data

Usage

data(stress)

Format

A \(4 \times 4\) covariance matrix for the following variables.

Y

V

X

U

Details

See Cox and Wermuth (1996).

References

Cox, D. R. & Wermuth, N. (1996). Multivariate dependencies. London: Chapman & Hall.

Slangen K., Kleemann P.P and Krohne H.W. (1993). Coping with surgical stress. In: Krohne H. W. (ed.). Attention and avoidance: Strategies in coping with aversiveness. New York, Heidelberg: Springer, 321-346.

Examples

data(stress)
G = UG(~ Y*X + X*V + V*U + U*Y)
fitConGraph(G, stress, 100)