在ggplot2的条形图上舍入%标签 [英] Rounding % Labels on bar chart in ggplot2
问题描述
options(digits = 2)
q1 + geom_bar(color =black)+
stat_bin(aes(label = .. count ..),vjust = - 2,geom =text,position =identity)+
stat_bin(geom =text,aes(label = paste(.. count ../ sum(.. count ..)* 100, %),vjust = -0.75))+
labs(x =问题#1:\ n 0 =没有回应,1 =完全不熟悉,5 =非常熟悉)+
opts(title =问题#1的直方图:\ n您是否熟悉术语'生物基产品'?,
legend.position =none,
plot.title = theme_text(size = 16,vjust = 1,face =bold),
axis.title.x = theme_text(size = 14),axis.text.x = theme_text(size = 12),
axis.title.y = theme_text(size = 14,angle = 90),axis.text.y = theme_text(size = 12))
正如你所见,我是getti ng的方式比需要更多的数字,我希望选项(数字= 2)会做到这一点,但我猜不是。任何想法?
其实你很接近那里。
这里是一个简单的例子:
df < - data.frame(x = factor(sample(5,99,T)))
ggplot(df,aes(x))+
stat_bin(aes(label = paste(sprintf(%。02f,..count ../ sum(.. count ..)* 100) )),
geom =text)
同样, format
, round
, prettyNum
等等。
更新: 感谢@Tommy的评论,这里si更简单: As you can see I'm getting way more digits than what is needed, I was hoping the options(digits=2) would do it but I guess not. Any ideas? Actually you are very close to there. also, UPDATED: Thanks to @Tommy 's comment, here si a more simple form:
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ggplot(df,aes(x))+
stat_bin(aes(label = sprintf(%。02f% %,..count ../ sum(.. count ..)* 100)),
geom =text)
q1 <- qplot(factor(Q1), data=survey, geom="histogram", fill=factor(Q1), ylim=c(0,300))
options(digits=2)
q1 + geom_bar(colour="black") +
stat_bin(aes(label=..count..), vjust=-2, geom="text", position="identity") +
stat_bin(geom="text", aes(label=paste(..count../sum(..count..)*100,"%"), vjust=-0.75)) +
labs(x="Question # 1:\n 0 = Didn't respond, 1 = Not at all familiar, 5 = Very familiar") +
opts(title="Histogram of Question # 1:\nHow familiar are you with the term 'Biobased Products'?",
legend.position = "none",
plot.title = theme_text(size = 16, , vjust = 1, face = "bold"),
axis.title.x =theme_text(size=14), axis.text.x=theme_text(size=12),
axis.title.y=theme_text(size=14, angle=90), axis.text.y=theme_text(size=12))
Here is a minimal example:df <- data.frame(x = factor(sample(5, 99, T)))
ggplot(df, aes(x)) +
stat_bin(aes(label = paste(sprintf("%.02f", ..count../sum(..count..)*100), "%")),
geom="text")
format
, round
, prettyNum
, etc, is available.ggplot(df, aes(x)) +
stat_bin(aes(label = sprintf("%.02f %%", ..count../sum(..count..)*100)),
geom="text")