CRAN submission

[davidchampredon]

This is what's needed to do before considering submitting to CRAN:

• https://cran.r-project.org/web/packages/policies.html
• https://cran.r-project.org/web/packages/submission_checklist.html

[davidchampredon]

Here are the NOTEs/WARNINGs newly appearing during an R CMD check --as-cran with the R-devel version:

• [ ] It looks like this package (or a package it requires) has a startup message which cannot be suppressed: see ?packageStartupMessage.

• [ ] Found the following (possibly) invalid URLs:

  • URL: https://ehp.niehs.nih.gov/doi/10.1289/EHP10050 From: inst/doc/distributions.html Status: 403 Message: Forbidden
  • URL: https://www.sciencedirect.com/science/article/pii/S2666776222001405 From: inst/doc/distributions.html Status: 403 Message: Forbidden

• [ ] Files 'README.md' or 'NEWS.md' cannot be checked without 'pandoc' being installed.

• [ ] Examples with CPU (user + system) or elapsed time > 5s user system elapsed estimate_R_cl 9.24 0.60 10.28 plot_diagnostic_cl 9.04 0.52 9.98

• [ ] found the following files/directories: 'lastMiKTeXException'

DC's comments:

• for the URL issue, this could help but doesn't work