A compilation of extra themes and theme components for 'ggplot2' with an emphasis on typography.
The core theme: theme_ipsum
("ipsum" is Latin for "precise") uses Arial Narrow
which should be installed on practically any modern system, so it's "free"-ish.
This font is condensed, has solid default kerning pairs and geometric numbers.
That's what I consider the "font trifecta" must-have for charts. An additional
quality for fonts for charts is that they have a diversity of weights. Arial
Narrow (the one on most systems, anyway) does not have said diversity but this
quality is not (IMO) a "must have".
Bob Rudis (bob@rud.is)
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