The main page of R-Project: https://www.r-project.org/
RStudio, a very good user interface, editor, and development environment: https://www.rstudio.com
Info in Danish: https://logistikforum.org/r-project/r-project-information
Advanced R Book: http://adv-r.had.co.nz/
Quick R: https://www.statmethods.net/
R Programming/Mathematics: https://en.wikibooks.org/wiki/R_Programming/Mathematics
Time stamp in R
A date and time stamp:
now <- strptime(Sys.time(), "%Y-%m-%d%T")
time_stamp <- sprintf("%s", now)Detect a date format
lubridate's format guesser: https://rdrr.io/cran/lubridate/src/R/guess.r
Reinstall and update all packages after a new R version
In bash: R -e 'update.packages(checkBuilt = TRUE, ask = FALSE)'
Source: https://community.rstudio.com/t/reinstalling-packages-on-new-version-of…
