bnlearn (version 5.2)

asia: Asia (synthetic) data set by Lauritzen and Spiegelhalter

Description

Synthetic data set on lung diseases and Asia travel from Lauritzen and Spiegelhalter (1988).

Usage

data(asia)

Format

The asia data set contains the following variables:

• D (dyspnoea), a two-level factor with levels yes and no.

• T (tuberculosis), a two-level factor with levels yes and no.

• L (lung cancer), a two-level factor with levels yes and no.

• B (bronchitis), a two-level factor with levels yes and no.

• A (visit to Asia), a two-level factor with levels yes and no.

• S (smoking), a two-level factor with levels yes and no.

• X (chest X-ray), a two-level factor with levels yes and no.

• E (tuberculosis versus lung cancer/bronchitis), a two-level factor with levels yes and no.

Examples

# load the data.
data(asia)
# create and plot the network structure.
dag = model2network("[A][S][T|A][L|S][B|S][D|B:E][E|T:L][X|E]")
if (FALSE) graphviz.plot(dag)