demo.dag1 {dagR}

Set up demo DAG #1.

Description

Initializes a classical "M DAG" useful for demonstrating harmful adjustment. The DAG is motivated by figure 3 in Fleischer (2008) and also featured in Breitling (2010).

Usage

demo.dag1()

Value

Returns a DAG.

Author(s)

Lutz P Breitling <[e-mail]>

References

Breitling LP (2010). dagR: a suite of R functions for directed acyclic graphs. Epidemiology 21(4):586-587.
Fleischer NL, Diez Roux AV (2008). Using directed acyclic graphs to guide analyses of neighbourhood health effects: an introduction. J Epidemiol Community Health 62:842-846.

See Also

demo.dag0, demo.dag2, demo.dag3, demo.dag4, demo.dag5, demo.dag6