Styling PDF reports in R Markdown

- [Instructor] Okay, let's see how we can apply our own … custom styles to PDF reports written in Rmarkdown. … Let's go to our exercise files, … and folder 10_03, and we'll open up our RStudio project. … Now it's open, let's open up our .RMD file, … and we'll knit it together so we can see … what document we're going to be customizing the styles of. … Okay it's a fairly short document, … there's a table of contents at the top, … we have some text, there's a nice table there, … with a caption, and then we've got a subheading … with a tiny bit of text and a figure with a caption. … Okay, so we're going to modify the text a little bit, … and we're also going to modify the captions. … Let's return back to Rmarkdown … before we start customizing our styles. … It's important to remember that customizing styles … is harder with PDF output than with HTML. … And that's because with PDF we're working with LaTeX. … And in LaTeX there's some style options … which are part of the document class, …