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                6.054  0.556   7.210
coef_posterior_density   5.850  0.270   6.899
compare_predictions      5.117  0.282   5.647
compare_predictions_test 4.333  0.202   5.128