Error(s) in re-building vignettes:
--- re-building 'Vig_01_Start_Here.Rmd' using rmarkdown
--- finished re-building 'Vig_01_Start_Here.Rmd'

--- re-building 'Vig_02_Conceptual_Intro_PCA.Rmd' using rmarkdown
! Package pdftex.def Error: File `e4242f877f55b9350bfff9e0718b5f1ec6c20eff.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_02_Conceptual_Intro_PCA.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_02_Conceptual_Intro_PCA.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_02_Conceptual_Intro_PCA.log for more info.
--- failed re-building 'Vig_02_Conceptual_Intro_PCA.Rmd'

--- re-building 'Vig_03_Step_By_Step_PCA.Rmd' using rmarkdown
! Package pdftex.def Error: File `f69225bdc6b11bb15181395e34a767a71f40d966.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_03_Step_By_Step_PCA.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_03_Step_By_Step_PCA.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_03_Step_By_Step_PCA.log for more info.
--- failed re-building 'Vig_03_Step_By_Step_PCA.Rmd'

--- re-building 'Vig_04_Scores_Loadings.Rmd' using rmarkdown
--- finished re-building 'Vig_04_Scores_Loadings.Rmd'

--- re-building 'Vig_05_Visualizing_PCA_3D.Rmd' using rmarkdown
! Package pdftex.def Error: File `4224f025d2e941796ddf1905607c364a8e165957.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_05_Visualizing_PCA_3D.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_05_Visualizing_PCA_3D.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_05_Visualizing_PCA_3D.log for more info.
--- failed re-building 'Vig_05_Visualizing_PCA_3D.Rmd'

--- re-building 'Vig_06_Math_Behind_PCA.Rmd' using rmarkdown
! Package pdftex.def Error: File `c2240dcc3240b752e9e07e16fd8b17f1c6a69ad5.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_06_Math_Behind_PCA.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_06_Math_Behind_PCA.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_06_Math_Behind_PCA.log for more info.
--- failed re-building 'Vig_06_Math_Behind_PCA.Rmd'

--- re-building 'Vig_07_Functions_PCA.Rmd' using rmarkdown
! Package pdftex.def Error: File `8dc293b4eddd9f7252ca48b7e8f43075356049a6.pdf'
 not found: using draft setting.

Error: processing vignette 'Vig_07_Functions_PCA.Rmd' failed with diagnostics:
LaTeX failed to compile D:/RCompile/CRANpkg/local/4.4/LearnPCA.Rcheck/vign_test/LearnPCA/vignettes/Vig_07_Functions_PCA.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See Vig_07_Functions_PCA.log for more info.
--- failed re-building 'Vig_07_Functions_PCA.Rmd'

--- re-building 'Vig_08_Notes.Rmd' using rmarkdown
--- finished re-building 'Vig_08_Notes.Rmd'

SUMMARY: processing the following files failed:
  'Vig_02_Conceptual_Intro_PCA.Rmd' 'Vig_03_Step_By_Step_PCA.Rmd'
  'Vig_05_Visualizing_PCA_3D.Rmd' 'Vig_06_Math_Behind_PCA.Rmd'
  'Vig_07_Functions_PCA.Rmd'

Error: Vignette re-building failed.
Execution halted