Bars in geom_bar are not of equal width
问题 For the following data frame I want to make several bar plots using ggplot . df <- data.frame(Disease = c("Disease1","Disease2","Disease3","Disease3","Disease3","Disease4","Disease5","Disease5","Disease6","Disease4","Disease2","Disease2","Disease1","Disease7","Disease1","Disease1","Disease7","Disease6","Disease3","Disease6"), Week = c(3,52,46,47,19,39,42,46,44,45,46,42,45,48,44,44,43,42,45,47), Year = c(2015,2015,2015,2016,2015,2015,2016,2016,2015,2015,2015,2015,2016,2016,2016,2015,2016,2016