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                4.981  0.373   8.191
coef_posterior_density   4.753  0.114   7.021
compare_predictions      4.164  0.213   6.244
compare_predictions_test 3.541  0.157   5.723