Computes the significance of more complex model against a simpler model by means of a likelihood ratio test.
nr.significance(mod0 = NULL, mod1, adj = NULL)
null nrm model (optional). defaults to the scm model.
alternative nrm model, the model to test
adjacency matrix for which performing the test. (optional) defaults to the matrix used for
p-value of the lr test mod0 vs mod1