^.*\.Rproj$         # Automatically added by RStudio,
^\.Rproj\.user$     # used for temporary files. 
^README\.Rmd$       # An Rmarkdown file used to generate README.md
^cran-comments\.md$ # Comments for CRAN submission
^NEWS\.md$          # A news file written in Markdown
^\.travis\.yml$     # Used for continuous integration testing with travis