geom_text 仅在堆积条形图的顶部 [英] geom_text on only top part of stacked bar plot
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问题描述
我希望仅在堆积条形图的顶部添加标签.
I would like to have labels on only the top part of my stacked bar plot.
这是我的数据框:
#create data frame
building <- c("Burj
Khalifa", "Zifeng
Tower", "Bank of
America Tower",
"Burj Al Arab", "Emirates
Tower One", "New York
Times Tower",
"Emirates
Tower Two", "Rose Rayhaan
by Rotana", "The
Pinnacle",
"Minsheng
Bank Building")
occupiable<- c(585, 317, 235, 198, 241, 220, 213, 237, 265, 237)
nonoccupiable <- c(244, 133, 131, 124, 113, 99, 97, 96, 95, 94)
df.build <- data.frame(building, occupiable, nonoccupiable)
#melt data frame for stack bar plot
df.build2 <- melt(df.build, id.vars="building")
还有我的堆积条形图:
#comparision true and percived values
ggplot(df.build2, aes(x=reorder(building, -value), y=value, fill=variable)) +
geom_bar(stat="identity") +
xlab("") +
ylab("") +
#geom_text(aes(label = c("29%" "30%", "36%", "39%", "32%", "31%", "31%", "29%", "29%", "28%")), size = 3, hjust = 0.5, vjust = 3, position = "stack") +
theme(legend.position="top") +
ggtitle("Porównanie wartości prawdziwych i odczuwalnych")
我想在我的绘图代码中的 geom_text()
中有这样的标签(蓝条的高度/整个条的高度).它应该放在蓝色区域.我该怎么做?
I would like to have labels like this in geom_text()
in my code for plotting (height of blue bar/height of whole bar). It should be placed in the blue area. How can I do it?
推荐答案
另一种解决方案(我也改变了x轴文字的角度):
Another solution (I also changed the angle of the x-axis text):
# creating percentage variables
df.build$occ.perc <- round(df.build$occupiable / (df.build$occupiable + df.build$nonoccupiable) * 100)
df.build$nonocc.perc <- round(df.build$nonoccupiable / (df.build$occupiable + df.build$nonoccupiable) * 100)
# melt data frame for stack bar plot![enter image description here][1]
df.build2 <- cbind(
melt(df.build, id = c("building"), measure = c(2:3)),
melt(df.build, id = c("building"), measure = c(4:5), value.name = "perc")
)
df.build2 <- df.build2[,-c(4,5)]
df.build2$perc <- ifelse(df.build2$variable=="occupiable", df.build2$perc==NA, df.build2$perc)
# creating the plot
ggplot(df.build2, aes(x=reorder(building, -value), y=value, fill=variable)) +
geom_bar(stat="identity") +
xlab("") +
ylab("") +
geom_text(aes(label = perc), size = 3, hjust = 0.5, vjust = 2, position = "stack") +
theme(legend.position="top", axis.text.x = element_text(angle = 45, vjust=0.5)) +
ggtitle("Porównanie wartości prawdziwych i odczuwalnych")
结果:
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