• using R version 4.4.3 Patched (2026-02-12 r89426 ucrt)
• using platform: x86_64-w64-mingw32
• R was compiled by     gcc.exe (GCC) 13.3.0     GNU Fortran (GCC) 13.3.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8
• checking for file 'LearnPCA/DESCRIPTION' ... OK
• checking extension type ... Package
• this is package 'LearnPCA' version '0.3.4'
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking whether package 'LearnPCA' can be installed ... OK See the install log for details.
• checking installed package size ... OK
• checking package directory ... OK
• checking 'build' directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... [1s] OK
• checking whether the package can be loaded with stated dependencies ... [1s] OK
• checking whether the package can be unloaded cleanly ... [1s] OK
• checking whether the namespace can be loaded with stated dependencies ... [1s] OK
• checking whether the namespace can be unloaded cleanly ... [1s] OK
• checking loading without being on the library search path ... [1s] OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [5s] OK
• checking Rd files ... [0s] OK
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking sizes of PDF files under 'inst/doc' ... OK
• checking installed files from 'inst/doc' ... OK
• checking files in 'vignettes' ... OK
• checking examples ... [3s] OK
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [2s] OK   Running 'tinytest.R' [2s]
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes ... OK
• checking re-building of vignette outputs ... [186s] ERROR 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 `b1befa8009952b54a24302f317e3aecb6911a96f.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 `ff85e16c94a279fd589e9d8b30993611e67b35f9.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 `62d40dc567b8aa92760702b842ddb37d6f7bbeeb.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 `47034cc1d565fabe689800c3653c1f425f607552.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 `5a2888140228e98889ced1aad6807a445b5272ea.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
• checking PDF version of manual ... [18s] OK
• checking HTML version of manual ... [1s] OK
• DONE

Status: 1 ERROR