Imports includes 21 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.
Package required but not available: ‘RCy3’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package suggested but not available for checking: ‘ndexr’
installed size is 22.7Mb
  sub-directories of 1Mb or more:
    doc    2.8Mb
    libs  19.0Mb
Package suggested but not available for checking: ‘ndexr’
installed size is 21.2Mb
  sub-directories of 1Mb or more:
    doc    2.8Mb
    libs  17.5Mb
Package suggested but not available for checking: ‘ndexr’
installed size is 22.7Mb
  sub-directories of 1Mb or more:
    doc    2.8Mb
    libs  19.0Mb
installed size is 22.9Mb
  sub-directories of 1Mb or more:
    doc    2.8Mb
    libs  19.2Mb

'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
'LazyData' is specified without a 'data' directory
Package suggested but not available for checking: ‘lingtypology’
'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

Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential
Specified C++11: please drop specification unless essential