Filter Conditional Independencies

Removes all conditional independencies, obtained using impliedConditionalIndependencies, based on the variables available in data.

Usage

filter_conditional_independencies(x, data)

Arguments

x

An object of class dagitty.cis.

data

A data.frame.

Value

An object of class dagitty.cis, or NULL if no conditional independencies remain.

See also

impliedConditionalIndependencies

Examples

dag <- dagitty::dagitty('dag {
x1 -> y
x2 -> y}')
df <- data.frame(x1 = rnorm(10), y = rnorm(10))
cis <- dagitty::impliedConditionalIndependencies(dag)
cis <- filter_conditional_independencies(cis, df)
is.null(cis)
#> [1] TRUE