Imports includes 23 non-default packages.
Importing from so many packages makes the package vulnerable to any of
them becoming unavailable.  Move as many as possible to Suggests and
use conditionally.
installed size is 24.7Mb
  sub-directories of 1Mb or more:
    R      1.3Mb
    doc    4.2Mb
    libs  18.5Mb
installed size is 17.6Mb
  sub-directories of 1Mb or more:
    R      1.2Mb
    doc    4.2Mb
    libs  11.5Mb
installed size is 270.9Mb
  sub-directories of 1Mb or more:
    R       2.0Mb
    doc     4.2Mb
    libs  263.9Mb
installed size is 278.0Mb
  sub-directories of 1Mb or more:
    R       2.0Mb
    doc     4.2Mb
    libs  271.0Mb
installed size is 17.6Mb
  sub-directories of 1Mb or more:
    R      1.3Mb
    doc    4.2Mb
    libs  11.4Mb