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 `7d0cb4e05d72707a59376d9618bba95f0685688b.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 `ce03783a952330d774564f75c7a2f7f815b83782.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 `dd23d8b3ec9ff2ee6fa3824758b6ce648af4d330.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 `f93c52e8545f0fe0e943a2a95a4a87f5882b8b93.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 `7c6822f3ca4d681b050248bdc7bc9d2e71b448d1.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