which variables on a directed graph represent a causal link? what do you do with a directed graph what is direct graph in regression how to calculate an effect of a graph on a regression equations which graph represents a causal link? how do you compare a directed graph and a regression equation? can you find the causal link using a graph can you use an arrow pattern in a graph to calculate effects which arrow represents the effect of each variable on a graph and is associated with the underlying causal link? how to do directed graph how do i get an arrow for a graph in regression what is meant by directed graph for regression how to calculate effects of each variable in a graph how to calculate the effects of variables on a graph how do you compare direct graphs to regression can you use a graph to determine the affect of one variable to the other and do regression what is a direct graph in regression how to do a graph for regression analysis with arrows how is a directed graph used to create a regression equation which factor relates the effects of an arrow to the effect of a directed graph?