R语言ggplot2堆积柱形图添加误差线的简单小例子

library(ggplot2)library(dplyr)library(see)

df% na.omit() %>%   group_by(species,sex) %>%   summarise(mean_value=mean(bill_length_mm),            sd_value=sd(bill_length_mm)) -> df1

df1

df1 %>%   group_by(species) %>%   mutate(new_col=cumsum(mean_value)) -> df2

df2$sex