'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning in is.R() : 'is.R' is deprecated.
  Warning in is.R() : 'is.R' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning in is.R() : 'is.R' is deprecated.
  Warning in is.R() : 'is.R' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning in is.R() : 'is.R' is deprecated.
  Warning in is.R() : 'is.R' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning in is.R() : 'is.R' is deprecated.
  Warning in is.R() : 'is.R' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning in is.R() : 'is.R' is deprecated.
  Warning in is.R() : 'is.R' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory