R基础教程可先阅读:R语言编程基础第一篇:语法基础
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barplot()函数绘制
数据:
Group Count1 Count2
Control 10 8
Drug1 28 13
Drug2...为不同的组设置不同的颜色
barplot(data[,2],names.arg = data[,1],main="条形图",xlab="分组",ylab="统计量",col=c("grey","red"...(data,aes())+ geom_bar()
library(ggplot2)
csub <- read.table("barplot_using_ggplot2.txt", sep="\t", header...条形图
library(ggplot2)
#readin data
data = read.table("histogram1.txt", sep="\t", header=T)
#draw histogram...ggplot(data, aes(waiting)) +
geom_histogram()
#set binwidth 5
ggplot(data, aes(waiting)) +
geom_histogram