Please always explain all acronyms in the description text. -> PCA For more details: https://contributor.r-project.org/cran-cookbook/description_issues.html#explaining-acronyms
If there are references describing the methods in your package, please add these in the description field of your DESCRIPTION file in the form authors (year) doi:... authors (year, ISBN:...) or if those are not available: https:... with no space after 'doi:', 'https:' and angle brackets for auto-linking. (If you want to add a title as well please put it in quotes: "Title") For more details: https://contributor.r-project.org/cran-cookbook/description_issues.html#references
Please add \value to .Rd files regarding exported methods and explain the functions results in the documentation. Please write about the structure of the output (class) and also what the output means. (If a function does not return a value, please document that too, e.g. \value{No return value, called for side effects} or similar) For more details: https://contributor.r-project.org/cran-cookbook/docs_issues.html#missing-value-tags-in-.rd-files
-> Missing Rd-tags: getLims.Rd: \value rowVars.Rd: \value
Please always make sure to reset to user's options(), working directory or par() after you changed it in examples and vignettes and demos. e.g.: oldpar <- par(mfrow = c(1,2)) ... par(oldpar)
-> man/colorpanel.Rd, man/plotPCA.prcomp.Rd
For more details: https://contributor.r-project.org/cran-cookbook/code_issues.html#change-of-options-graphical-parameters-and-working-directory