Maintainer: ‘Sahir Rai Bhatnagar <sahir.bhatnagar@gmail.com>’

Found the following (possibly) invalid file URI:
  URI: CONDUCT.md
    From: README.md
Maintainer: ‘Sahir Rai Bhatnagar <sahir.bhatnagar@gmail.com>’

Found the following (possibly) invalid file URI:
  URI: CONDUCT.md
    From: README.md
Namespace in Imports field not imported from: ‘pander’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘pander’
  All declared Imports should be used.
Error(s) in re-building vignettes:
--- re-building ‘eclust.Rmd’ using rmarkdown

Quitting from lines 142-168 [unnamed-chunk-6] (eclust.Rmd)
Error: processing vignette 'eclust.Rmd' failed with diagnostics:
there is no package called 'factoextra'
--- failed re-building ‘eclust.Rmd’

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

Error: Vignette re-building failed.
Execution halted