Introduction to ggthemes Jeffrey B. Arnold 2018-05-07 Themes theme_base: a theme resembling the default base graphics in R. See also theme_par. theme_calc: a theme based on LibreOffice Calc. theme_economist: a theme based on the plots in the The Economist magazine. theme_excel: a theme replicating the classic ugly gray charts in Excel theme_few: theme from Stephen Few’s “Practical Rules for Using