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.
  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
NO.PING.PONG      5.332  0.028   5.743
PLOT_NO.PING.PONG 5.308  0.007   5.876