我想用错误条来绘制一个堆叠的条形图。我有一个有五个变量的数据框架。Var1包含了处理对Var2中三种不同物种的影响。治疗的效果用可变的value进行。变量start和end包含错误条的值。我想用Var1和Var2的顺序应该相同的方式绘制一个堆叠的条形图。就像这样:

这个数字只是一个例子。一些示例数据:
Var1 Var2 value start end
Eff1 spe1 0.73 0.72 0.74
Eff2 spe1 0.25 0.24 0.26
Eff3 spe1 0.007 0.006 0.008
Eff1 spe2 0.69 0.68 0.7
Eff2 spe2 0 0 0
Eff3 spe2 0.3 0.29 0.31
Eff1 spe3 0.78 0.77 0.79
Eff2 spe3 0 0 0
Eff3 spe3 0.212 0.2 0.22表中的值与上面的数字不匹配。谢谢你的建议。
发布于 2014-05-08 10:39:53
df <- read.table(text="
Var1 Var2 value ybegin yend
Eff1 spe1 0.73 0.72 0.74
Eff2 spe1 0.25 0.24 0.26
Eff3 spe1 0.007 0.006 0.008
Eff1 spe2 0.69 0.68 0.7
Eff2 spe2 0 0 0
Eff3 spe2 0.3 0.29 0.31
Eff1 spe3 0.78 0.77 0.79
Eff2 spe3 0 0 0
Eff3 spe3 0.212 0.2 0.22", header = T)
str(df)
df[df$Var1 == "Eff2", "ybegin"] <- df[df$Var1 == "Eff2", "ybegin"] + df[df$Var1 == "Eff1", "value"]
df[df$Var1 == "Eff2", "yend"] <- df[df$Var1 == "Eff2", "yend"] + df[df$Var1 == "Eff1", "value"]
df[df$Var1 == "Eff3", "ybegin"] <- df[df$Var1 == "Eff3", "ybegin"] + df[df$Var1 == "Eff2", "ybegin"]
df[df$Var1 == "Eff3", "yend"] <- df[df$Var1 == "Eff3", "yend"] + df[df$Var1 == "Eff2", "yend"]
library(ggplot2)
dodge <- position_dodge(width = 0.9)
cols <- c("black", "white", "darkgrey")
limits <- aes(ymax = yend , ymin = ybegin)
ggplot(df, aes(x = Var2, y = value, fill = Var1)) + geom_bar(stat="identity", color = "black") +
scale_fill_manual(values = cols) +
geom_errorbar(limits, colour = "red", width = 1, position = dodge) +
theme_bw() +
theme(panel.grid.major = element_blank() ,panel.grid.minor = element_blank())

https://stackoverflow.com/questions/23538804
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