如何使用ggplot创建分面线图? [英] How to create a faceted line-graph using ggplot?
本文介绍了如何使用ggplot创建分面线图?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
require(reshape2)
foo< - 数据.frame(abs(cbind(rnorm(3),rnorm(3,mean = .8),rnorm(3,mean = .9),rnorm(3,mean = 1))))
qux< - data.frame(abs(cbind(rnorm(3),rnorm(3,mean = .3),rnorm(3,mean = .4),rnorm(1,mean = 2))))
bar < - data.frame(abs(cbind(rnorm(3,mean = .4),rorm(3,mean = .3),rorm(3,mean = .9),rorm(3,mean = 1)) ))
colnames(foo)< -c(w,x,y,z)
colnames(qux)< -c(w ,x,y,z)
colnames(bar)<-c(w,x,y,z)
rownames(foo)< -c(n,q,r)
rownames(qux)< -c(n,q,r)
rownames(bar)< -c(n,q,r)
foo< - cbind(ID = rownames(foo),foo)
bar < - cbind(ID = rownames(bar),qux)
qux < - cbind(ID = rownames(bar),qux)
foo $ fn < - foo
qux $ fn< - qux
bar $ fn< - bar
alldf< -rbind(foo,qux,bar)
alldf .m< - melt(alldf)
nt要做的是以 facet 格式创建一个 ggplot
线条曲线,因此它会创建一个如下所示的图形:
实际图形不包含向上线 - 这只是一个草图,因此线分离很清晰。
我的当前代码无效:
library(ggplot2 )
p <-ggplot(data = alldf.m,aes(x = variable))+
geom_line(aes(color = ID),alpha = 0.4)
p <-p + facet_wrap(〜fn)
p
最好的方法是什么?
解决方案
试试这个:
ggplot data = alldf.m,aes(x = variable,y = value,color = ID,group = ID))+
geom_line()+ facet_wrap(〜fn)
I have a data frame created with this code:
require(reshape2)
foo <- data.frame( abs( cbind(rnorm(3),rnorm(3, mean=.8),rnorm(3, mean=.9),rnorm(3, mean=1))))
qux <- data.frame( abs( cbind(rnorm(3),rnorm(3, mean=.3),rnorm(3, mean=.4),rnorm(1, mean=2))))
bar <- data.frame( abs( cbind(rnorm(3,mean=.4),rnorm(3, mean=.3),rnorm(3, mean=.9),rnorm(3, mean=1))))
colnames(foo) <- c("w","x","y","z")
colnames(qux) <- c("w","x","y","z")
colnames(bar) <- c("w","x","y","z")
rownames(foo) <- c("n","q","r")
rownames(qux) <- c("n","q","r")
rownames(bar) <- c("n","q","r")
foo <- cbind(ID=rownames(foo),foo)
bar <- cbind(ID=rownames(bar),qux)
qux <- cbind(ID=rownames(bar),qux)
foo$fn <- "foo"
qux$fn <- "qux"
bar$fn <- "bar"
alldf<-rbind(foo,qux,bar)
alldf.m <- melt(alldf)
What I want to do is to create a ggplot
line curve in facet format, so it creates a graph like this:
The actual graph does not contain upward lines - this is just a sketch so that the line separation is clear.
My current code doesn't work:
library(ggplot2)
p <- ggplot(data=alldf.m, aes(x=variable)) +
geom_line(aes(colour=ID),alpha=0.4)
p <- p + facet_wrap( ~ fn)
p
What's the best way to do it?
解决方案
Try this:
ggplot(data=alldf.m, aes(x=variable, y = value, colour = ID, group = ID)) +
geom_line() + facet_wrap(~fn)
这篇关于如何使用ggplot创建分面线图?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文