backdoor {lava}

Backdoor criterion

Description

Check backdoor criterion of a lvm object

Usage

backdoor(object, f, cond, ..., return.graph = FALSE)

Arguments

object

lvm object

f

formula. Conditioning, z, set can be given as y~x|z

cond

Vector of variables to conditon on

...

Additional arguments to lower level functions

return.graph

Return moral ancestral graph with z and effects from x removed

Examples

m <- lvm(y~c2,c2~c1,x~c1,m1~x,y~m1, v1~c3, x~c3,v1~y,
         x~z1, z2~z1, z2~z3, y~z3+z2+g1+g2+g3)
ll <- backdoor(m, y~x)
backdoor(m, y~x|c1+z1+g1)