##' Themes set the general aspect of the plot such as the colour of the
##' background, gridlines, the size and colour of fonts.
##' .. content for \details{} ..
##' @title ggplot2 grtheme
##' @param base_size base font size
##' @param base_family base font family
##' @author Giuseppe Ragusa
##' @export
theme_gr <- function(base_size = 12, base_family = "sans") {
(theme_bw(base_size = base_size, base_family = base_family)
+ theme(
axis.title.x = element_text(size = rel(0.9), vjust=-.7),
axis.title.y = element_text(size = rel(0.9), vjust=.7),
axis.ticks = element_line(colour = "black"),
axis.text = element_text(size = rel(0.8)),
axis.ticks = element_blank(),
axis.line = element_blank(),
legend.background = element_rect(),
legend.position = "bottom",
legend.direction = "horizontal",
legend.box = "vertical",
plot.title = element_text(hjust = 0, size = rel(1.5), face = "bold"),
plot.margin = unit(c(1, 1, 1, 1), "lines"),
strip.background=element_rect(fill = "#D2D2D2", colour = "#D2D2D2"),
strip.text.x = element_text(colour = "#ec872a"),
strip.text.y = element_text(colour = "#ec872a")
))
}
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