Chapter 5 visualizing our data using ggplot() function in the ggplot2 package

iris %>% pivot_longer(cols = -Species, names_to = “Part,” values_to = “Value”) %>% separate(col = “Part,” into = c(“Part,” “Measure”)) %>% ggplot(aes(x = Value, color = Part)) + geom_boxplot() — This is a sample book written in Markdown. You can use anything that Pandoc’s Markdown supports, e.g., a math equation \(a^2 + b^2 = c^2\).

The bookdown package can be installed from CRAN or Github:{r eval=FALSE} install.packages("bookdown") # or the development version # devtools::install_github("rstudio/bookdown")

Remember each Rmd file contains one and only one chapter, and a chapter is defined by the first-level heading #.

To compile this example to PDF, you need XeLaTeX. You are recommended to install TinyTeX (which includes XeLaTeX): https://yihui.org/tinytex/.{r include=FALSE} # automatically create a bib database for R packages knitr::write_bib(c( .packages(), 'bookdown', 'knitr', 'rmarkdown' ), 'packages.bib')