Namespaces in Imports field not imported from:
  ‘BiocStyle’ ‘Rgraphviz’ ‘fastAdaboost’ ‘graph’ ‘kernlab’ ‘klaR’
  ‘knitr’ ‘randomForest’ ‘reshape2’ ‘rpart’ ‘tools’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘BiocStyle’ ‘Rgraphviz’ ‘fastAdaboost’ ‘graph’ ‘kernlab’ ‘klaR’
  ‘knitr’ ‘randomForest’ ‘reshape2’ ‘rpart’ ‘tools’
  All declared Imports should be used.
Namespaces in Imports field not imported from:
  ‘BiocStyle’ ‘Rgraphviz’ ‘fastAdaboost’ ‘graph’ ‘kernlab’ ‘klaR’
  ‘knitr’ ‘randomForest’ ‘reshape2’ ‘rpart’ ‘tools’
  All declared Imports should be used.
Installation failed.
See ‘/Volumes/Builds/packages/high-sierra-x86_64/results/4.1/MetaClean.Rcheck/00install.out’ for details.
Namespaces in Imports field not imported from:
  ‘BiocStyle’ ‘Rgraphviz’ ‘fastAdaboost’ ‘graph’ ‘kernlab’ ‘klaR’
  ‘knitr’ ‘randomForest’ ‘reshape2’ ‘rpart’ ‘tools’
  All declared Imports should be used.