Found the following significant warnings:

  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
  Warning: 'is.R' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Examples with CPU (user + system) or elapsed time > 5s
                          user system elapsed
coef_plot                4.998  0.399   8.173
coef_posterior_density   4.579  0.247   7.048
compare_predictions      4.166  0.191   6.016
compare_predictions_test 3.594  0.201   6.011
fergm_beta_traceplot     3.099  0.009   5.246