1. This article provides an introduction to R programming, including instructions on how to set the working directory, list objects in the current workspace, install and request R packages, and ask for help.
2. It also explains how packages are collections of R functions, data, and compiled code in a well-defined format, and how the library() function shows what packages have been saved in the library.
3. Finally, it provides instructions on how to search for instances of a string in the help system and list all available vignettes for currently installed packages.
The article is generally reliable and trustworthy as it provides clear instructions on how to use R programming language. The author is an experienced engineer with credentials that can be verified online (e.g., ORCID ID). The article does not contain any promotional content or partiality towards any particular product or service. All claims made by the author are supported by evidence (e.g., examples of code) and there are no unsupported claims or missing points of consideration. Furthermore, all possible risks associated with using R programming language are noted throughout the article.
The only potential issue with this article is that it does not present both sides equally; however, since this is an introductory guide to using R programming language, this is understandable as there is no need to explore counterarguments or present alternative solutions/approaches.