In steps 1 and 2, a simple presentation is created.
In step 3, an R presentation file is opened. When a text is followed by a set of = characters (at least three on a line by itself), it is taken as the slide title.
In step 4, an image is added with the standard markdown syntax of the exclamation mark followed in square brackets by the alt text, followed by the image file's name in parentheses. The image occupies the entire slide if it is the only content on that slide.
In step 5, a two-column slide is created. The two columns are separated by three * characters. This time, the image occupies the entire column to which it is added.
The double asterisks signify a column. By default, the two columns occupy 50% of the slide width. ...