Namespaces in Imports field not imported from:
  ‘irlba’ ‘knitr’ ‘rmarkdown’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
Namespaces in Imports field not imported from:
  ‘irlba’ ‘knitr’ ‘rmarkdown’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Error(s) in re-building vignettes:
--- re-building 'vignette.rmd' using rmarkdown

Quitting from lines 303-314 [unnamed-chunk-21] (vignette.rmd)
Error: processing vignette 'vignette.rmd' failed with diagnostics:
`keep_message` must be TRUE, FALSE, or NA.
--- failed re-building 'vignette.rmd'

SUMMARY: processing the following file failed:
  'vignette.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
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Error(s) in re-building vignettes:
--- re-building 'vignette.rmd' using rmarkdown

Quitting from lines 303-314 [unnamed-chunk-21] (vignette.rmd)
Error: processing vignette 'vignette.rmd' failed with diagnostics:
`keep_message` must be TRUE, FALSE, or NA.
--- failed re-building 'vignette.rmd'

SUMMARY: processing the following file failed:
  'vignette.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
Error(s) in re-building vignettes:
--- re-building 'vignette.rmd' using rmarkdown

Quitting from lines 303-314 [unnamed-chunk-21] (vignette.rmd)
Error: processing vignette 'vignette.rmd' failed with diagnostics:
`keep_message` must be TRUE, FALSE, or NA.
--- failed re-building 'vignette.rmd'

SUMMARY: processing the following file failed:
  'vignette.rmd'

Error: Vignette re-building failed.
Execution halted