Exercise

Adjusting figure options, optimizing them for mobile devices.

You might have already noticed it: The dot plot you produced in the last chapter still needs some tweaks. There doesn't seem to be enough space between the arrows, and the last label (Netherlands) doesn't even show. Also, you want the image to fit the aspect ratio of a mobile device better, so you're going to change this with another set of chunk options.

Instructions

100 XP

Add options to the last R code chunk (on line 83), specifying an image height and width of 8 and 4.5 inches, respectively.
Also add an option so that the image is always displayed in the center of the RMarkdown report.
- Use the fig.* option family for these settings – to know which exactly, best re-watch the video.

Take Hint (-30 XP)