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Date	Title	Categories
February 3, 2026 at 4:28 PM	Week 3 FAQs What’s the difference between the `\|>` and `%>%` pipes? Why can we sometimes do `ggplot(dataset)` and sometimes `dataset \|> ggplot()`? Why do we sometimes combine code with `+` and sometimes with `\|>`? Why doesn’t `group_by(species)` work but `group_by(Species)` does? Why does `aes()` sometimes appear in `ggplot()` and sometimes in `geom_WHATEVER()`? Installing vs. using packages Why are my axis labels all crowded and on top of each other? How do I fix that? Why isn’t the example code using `data = whatever` and `mapping = aes()` in `ggplot()` anymore? Do we not have to use argument names? What’s the difference between `geom_bar()` and `geom_col()`? What’s the difference between `read_csv()` vs. `read.csv()`? What’s the difference between `facet_grid()` and `facet_wrap()`? Why do I sometimes see `facet_wrap(vars(blah))` and sometimes `facet_wrap(~ blah)`? What’s the difference between the `fill` and `color` aesthetics? Why did we need to group and summarize before making the Lord of the Rings plots? I didn’t and the plot still worked How do I know if/when I should put variables as `x` or `fill` or as facets, etc? Why doesn’t R work with wide data? When would wide data be useful?	FAQs
January 27, 2026 at 4:07 PM	Week 2 FAQs Why do you use ✓s for grades? Why does `#` mean both headings and code comments? I will never do anything with graphic design—why did we have to learn these principles? What does all this graphic design stuff have to do with R and ggplot? How does CRAP relate to other things like the Gestalt Principles? Does something need to have all four elements to be well designed? Or can it have contrast and not alignment? Are the CRAP principles hard-and-fast rules? Will following CRAP lead to the same final designs? Does CRAP only work for single-page things like graphs and posters? Or does it work for reports and books? I wanted to try other fonts, but I can only see a few in Microsoft Word? Where can I find fonts to use? Are there resources for knowing which fonts pair well together? Are there other color palettes we can use in R beyond the defaults? Is there a way to check that my color palettes are accessible if I’m not using a premade one? I noticed Illustrator isn’t free for GSU students anymore. Are there other graphics editors? How do hex codes work? How do they create colors?	FAQs
January 27, 2026 at 11:35 AM	FAQs about LLMs, R, and this class Will R ever be fully replaced by AI? Will you incorporate LLMs and AI prompting into the course in the future? Why won’t you incorporate LLMs and AI prompting into the course?	FAQs
January 27, 2026 at 11:27 AM	LLMs are bad and dangerous for learning how to code in this class LLMs are only useful if you know what you’re doing already Possible ways to use LLMs to help with learning, kind of Even if you use them to help you learn, they can teach you the wrong things	advice
January 26, 2026 at 11:21 PM	Making cleaner, nicer Quarto documents Render often Check for broken code chunks Check that your text looks okay Don’t install packages in your document Clean up warnings and messages Global chunk options Fancy document settings Chunk names	advice
January 26, 2026 at 11:06 PM	Copy, paste, and tweak	advice
January 26, 2026 at 11:03 PM	Week 1 tips and FAQs What’s the difference between Source and Visual mode in the editor window? What’s the difference between R Markdown and Quarto? Why don’t I have options to render to PDF (or Word or HTML)? Rendered document format for iCollege What is this thing that we can render to? How does `group_by()` work? Why did we have to group by `island` and not `body_mass` and `island`? How do we know which type of graph to use for different types of data? Do you have any tips for remembering all the different functions we’re learning? There are so many! My histogram bars are too wide / too narrow / not visible. How do I fix that?	FAQs
January 12, 2026 at 9:02 AM	How to ask for help The 30-minute rule Don’t suffer in silence! Use Discord in public Help us help you High resolution questions Unanswered questions Discord question etiquette Student appointments	advice
January 12, 2026 at 8:52 AM	First day of class!	getting started
January 5, 2026 at 12:35 PM	Building community on Discord Class community Online community	advice
January 5, 2026 at 12:13 PM	Important R stuff	getting started
January 5, 2026 at 11:55 AM	Announcements and updates	getting started
January 5, 2026 at 11:26 AM	Welcome to class!	getting started