One of "mkl", "start", "mle", "pmean", "mkl",
"pmode", "post", an index of the iteration to use, or a
list, for the configuration of parameters based on
which the prediction is made. An exception is "post", which computes
the expected dyad values integrated over the posterior.
…
Additional arguments. Currently unused.
Value
A sociomatrix of predicted values. Note that predictions are made for
unobserved values (whether structural zeros or unobserved dyads).