Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  LinearTSVMSSLR.Rd: SVM
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.
Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  LinearTSVMSSLR.Rd: SVM
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.
Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  LinearTSVMSSLR.Rd: SVM
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.
Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  LinearTSVMSSLR.Rd: SVM
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.
Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  LinearTSVMSSLR.Rd: SVM
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.
Error(s) in re-building vignettes:
--- re-building ‘classification.Rmd’ using rmarkdown
--- finished re-building ‘classification.Rmd’

--- re-building ‘clustering.Rmd’ using rmarkdown

Quitting from lines 70-73 [clusters] (clustering.Rmd)
Error: processing vignette 'clustering.Rmd' failed with diagnostics:
there is no package called 'factoextra'
--- failed re-building ‘clustering.Rmd’

--- re-building ‘fit.Rmd’ using rmarkdown
--- finished re-building ‘fit.Rmd’

--- re-building ‘introduction.Rmd’ using rmarkdown
--- finished re-building ‘introduction.Rmd’

--- re-building ‘models.Rmd’ using rmarkdown
--- finished re-building ‘models.Rmd’

--- re-building ‘regression.Rmd’ using rmarkdown
--- finished re-building ‘regression.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Found the following Rd file(s) with Rd \link{} targets missing package
anchors:
  LinearTSVMSSLR.Rd: SVM
Please provide package anchors for all Rd \link{} targets not in the
package itself and the base packages.