'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Namespaces in Imports field not imported from:
  ‘methods’ ‘readr’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
Namespaces in Imports field not imported from:
  ‘methods’ ‘readr’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
Error(s) in re-building vignettes:
--- re-building ‘nih-enrollment-html.Rmd’ using rmarkdown
Quitting from lines 178-184 (nih-enrollment-html.Rmd) 
Error: processing vignette 'nih-enrollment-html.Rmd' failed with diagnostics:
Can't subset columns that don't exist.
✖ Column `gender` doesn't exist.
--- failed re-building ‘nih-enrollment-html.Rmd’

SUMMARY: processing the following file failed:
  ‘nih-enrollment-html.Rmd’

Error: Vignette re-building failed.
Execution halted
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Namespaces in Imports field not imported from:
  ‘methods’ ‘readr’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
Namespaces in Imports field not imported from:
  ‘methods’ ‘readr’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Namespaces in Imports field not imported from:
  ‘methods’ ‘readr’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
Namespaces in Imports field not imported from:
  ‘methods’ ‘readr’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory

installed size is 17.8Mb
  sub-directories of 1Mb or more:
    libs  16.9Mb
installed size is 23.6Mb
  sub-directories of 1Mb or more:
    libs  22.8Mb
installed size is 23.6Mb
  sub-directories of 1Mb or more:
    libs  22.8Mb
installed size is 23.6Mb
  sub-directories of 1Mb or more:
    libs  22.8Mb
installed size is 23.6Mb
  sub-directories of 1Mb or more:
    libs  22.8Mb
installed size is  5.5Mb
  sub-directories of 1Mb or more:
    libs   4.7Mb