\code{markovBlanket(x,v}) returns \code{x}'s parents, its children, and all other
parents of its children. The Markov blanket always renders \code{x} independent
of all other nodes in the graph.
x (in bold) should read v.
x is the input graph, v is the node for which we want the Markov blanket.
In: https://github.com/jtextor/dagitty/blob/master/r/R/dagitty.r
the help file reads:
\code{markovBlanket(x,v}) returns \code{x}'s parents, its children, and all other parents of its children. The Markov blanket always renders \code{x} independent of all other nodes in the graph.
x (in bold) should read v. x is the input graph, v is the node for which we want the Markov blanket.