Enhance pdf formatting

[markbneal]

Great book! I read the pdf version. As html is probably your primary version, it could be a low priority to have a “beautiful” pdf version, so feel free to ignore these suggestions.

1. If page numbers were consistently at the bottom, it would give you more space for the sometimes long titles, such as page 108. To fix, see E.g. https://community.rstudio.com/t/custom-position-of-page-numbers/7873?u=mbn

2. If you are happy that chapter is redundant, that would also give you more room for text on page headers. To fix, see E.g. https://stackoverflow.com/questions/43757899/how-to-remove-the-word-chapter-from-the-chapter-headings

3. Figures (and tables) are sometimes printed well before they are mentioned in the text. I think this happens automatically by default. My personal preference would be that figures are always after they are mentioned, even if it ends up creating more white space. To fix, see eg https://community.rstudio.com/t/cant-control-position-of-tables-and-figures-in-knitted-pdf-document/37364/3?u=mbn

4. Code occasionally goes a bit wide e.g. p.126. However, most people that want to use the code will be looking at an electronic version, so maybe this doesn’t matter?

5. Some people may print in black and white, in which case some graphs will still be legible (e.g. Figure 5.1 with dots and dashes), and others will not (e.g. Figure 2.4).