The boxplot compactly displays the distribution of a continuous variable. It visualises five summary statistics (the median, two hinges and two whiskers), and all "outlying" points individually. geom_boxplot( mapping = NULL, data = NULL, stat = "boxplot", position = "dodge2", ..., outliers = TRUE, outlier.colour = NULL, outlier.color = NULL, outlier.fill = NULL, outlier.shape = 19, outlier.size =