This is a custom ggplot2 theme developed for the Wisconsin Department of Public Instruction. This function is now deprecated.
theme_dpi(base_size = 16, base_family = "")A theme object which is a list of attributes applied to a ggplot2 object.
numeric, specify the font size as a numeric value, default is 16
character, specify the font family, this value is optional
Jared E. Knowles
All values are optional
his uses unit from the grid package extensively.
See also theme_bw from the ggplot2 package.