ggdag: is_confounder – R documentation

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is_confounder

Assess if a variable confounds a relationship

Assess if a variable confounds a relationship

is_confounder(.tdy_dag, z, x, y, direct = FALSE)

`.tdy_dag`	input graph, an object of class `tidy_dagitty` or `dagitty`
`z`	a character vector, the potential confounder
`x, y`	a character vector, the variables z may confound.
`direct`	logical. Only consider direct confounding? Default is `FALSE`

Logical. Is the variable a confounder?

dag <- dagify(y ~ z, x ~ z)

is_confounder(dag, "z", "x", "y")
is_confounder(dag, "x", "z", "y")

Analyze and Create Elegant Directed Acyclic Graphs

v0.2.3

MIT + file LICENSE

Authors

Malcolm Barrett [aut, cre] (<https://orcid.org/0000-0003-0299-5825>)

Initial release