When putting R package names in Latex, do we use \it or \em, please?
As far as I know, the only difference between \it and \em is that \em words are unitalicized in an italics portion of the text, which is desirable in most cases.
However, I am not sure that italics is the most common solution, perhaps because it is really important for a package name to be very easy to read and spell even if the name is a meaningless sequence of letters, which is not always the case in italics. In some R manuals (such as the "Short Introduction to R"), package names are boldfaced. Personally, I tend to type them in TT font, as if they were function names. I guess all solutions are OK if they are used consistently throughout the document.
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