Imports includes 31 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.
Namespaces in Imports field not imported from:
  ‘ClusterR’ ‘MASS’ ‘Rdpack’ ‘multiwave’ ‘ranger’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘ClusterR’ ‘MASS’ ‘Rdpack’ ‘multiwave’ ‘ranger’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘ClusterR’ ‘MASS’ ‘Rdpack’ ‘multiwave’ ‘ranger’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘ClusterR’ ‘MASS’ ‘Rdpack’ ‘multiwave’ ‘ranger’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘ClusterR’ ‘MASS’ ‘Rdpack’ ‘multiwave’ ‘ranger’
  All declared Imports should be used.

File ‘MTS/libs/MTS.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
File ‘MTS/libs/MTS.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
installed size is  5.1Mb
  sub-directories of 1Mb or more:
    libs   4.1Mb

installed size is 12.1Mb
  sub-directories of 1Mb or more:
    libs  11.4Mb
installed size is 14.1Mb
  sub-directories of 1Mb or more:
    libs  13.5Mb
installed size is 14.1Mb
  sub-directories of 1Mb or more:
    libs  13.5Mb
installed size is 14.1Mb
  sub-directories of 1Mb or more:
    libs  13.5Mb

installed size is  5.1Mb
  sub-directories of 1Mb or more:
    data   4.6Mb
Note: found 23 marked UTF-8 strings
Note: found 23 marked UTF-8 strings
installed size is  5.0Mb
  sub-directories of 1Mb or more:
    data   4.6Mb
Installation failed.
See ‘/Volumes/Builds/packages/big-sur-arm64/results/4.1/SLBDD.Rcheck/00install.out’ for details.
installed size is  5.0Mb
  sub-directories of 1Mb or more:
    data   4.6Mb
Note: found 23 marked UTF-8 strings
installed size is  5.0Mb
  sub-directories of 1Mb or more:
    data   4.6Mb
installed size is  5.0Mb
  sub-directories of 1Mb or more:
    data   4.6Mb
Note: found 23 marked UTF-8 strings
installed size is  5.0Mb
  sub-directories of 1Mb or more:
    data   4.6Mb