barplot(data[,2])
barplot(data[,2],names.arg = data[,1])
barplot(data[,2],names.arg = data[,1],main="...","orange","green")
barplot(data[,2])
?...# 添加横轴分组名称
barplot(data[,2],names.arg = data[,1])
?...(data,aes())+ geom_bar()
library(ggplot2)
csub barplot_using_ggplot2.txt", sep="\t", header...ggplot(data, aes(waiting)) +
geom_histogram()
#set binwidth 5
ggplot(data, aes(waiting)) +
geom_histogram