我试图基于此制作带有误差条的堆积条形图,之前回答的问题在 R 中使用指定的误差条值制作堆积条形图
但是,我的误差线位置不正确。我尝试更改 SD 的顺序,这会相对于彼此移动误差线,但它们仍然不与堆叠的条对齐。
x <- data.frame(Period = c("Mon","Tue","Wed","Thu","Fri","Sat","Sun"), Sample = c("Day","Day","Day","Day","Day","Day","Day"), "12AM-6AM" = c(23.14,16.43,16,22.71,36.86,87.14,110.71), "6AM-12PM" = c(16.14,20.86,18.43,16.71,15.14,14.29,16), "12PM-6PM" = c(26.86,23.71,25.57,23.43,35.29,38,30), "6PM-12AM" =c(35.86,34.14,31.71,36.43,45.57,44,27.14))
library(dplyr)
library(reshape2)
mx <- melt(x, id.vars=1:2)
mx <- mx %>% group_by(Period) %>%
mutate(pos = cumsum(value)) %>%
ungroup() %>%
mutate(sd = c( 5.4, 2.7, 4.7, 4.4, 8.2, 13.2, 20.7,
5.6, 2.3, 5.4, 5.5, 1.6, 4.1, 3.1,
5.2, 5.6, 5.9, 3.5, 6.3, 4.5, 6.9,
3.5, 6.0, 5.9, 6.2, 8.2, 9.0, 2.4
),
upper = pos + sd/2,
lower = pos - sd/2)
days<-c("Mon", "Tue", "Wed","Thu","Fri", "Sat", "Sun")
ggplot(mx, aes(x=Period, y=value, fill=variable), xLabels=NA) +
geom_bar(stat="identity") +
facet_grid(~Sample) + geom_errorbar(aes(ymin = lower, ymax = upper),
width = .2, col = "red") +
theme_bw() + scale_x_discrete(limits = days) +
xlab(" Day of the Week") + scale_fill_grey() +
ylab ("Number of calls")
另外,我对 R 很陌生,甚至对堆栈溢出也很陌生(这是我的第一个问题!)-因此,任何关于如何更清晰或更有效地在网站上搜索答案的建议,总是值得赞赏的 :)