'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Error(s) in re-building vignettes:
  ...
--- re-building ‘rxnat.Rmd’ using rmarkdown
Quitting from lines 100-102 (rxnat.Rmd) 
Error: processing vignette 'rxnat.Rmd' failed with diagnostics:
embedded nul in string: ‘hÜ&¼›dÃÁ\t\027ß1Û7k4¶ŠðêÄ;Ø\aLù\fÞÚå„³\004‹;]„ðûÇej×Ž8…rþþ\023Cú€8µýv¦v2F-”íV¼¦Sì§ü¤ý\016\017o!XŒ3±Ñ\\’ý’
--- failed re-building ‘rxnat.Rmd’

SUMMARY: processing the following file failed:
  ‘rxnat.Rmd’

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