data<-c(rep(1,10),rep(2,5),rep(5,6))
hist(data)
par(mforw=c(1,2))#代表着生产图形的数量
data<-c(rep(1,10),rep(2,5),rep(3,6))#代表生产各种序数
hist(data,breaks=c(0.5,1.5,2.5,3.5),freq=T,main="大家后")#breaks就是节点，分割 #freq=TURE 代表显示产生的数值，FALSE代表显示产生的原始值 #main="”代表的是设置的标题内容
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), labels = c("A", "B", "C"))#labels 代表是条形列设置分别不同的昵称
par(mfrow = c(1, 2))
data <- c(rep(1, 10), rep(2, 5), rep(3, 6))
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), axes = T, main = "axes = T")#axes代表的是显示，各项数值
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), axes = F, main = "axes = F")#axes代表的是不显示，各项数值
par(mfrow = c(1, 2))
data <- c(rep(1, 10), rep(2, 5), rep(3, 6))
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), col = "pink")#col是颜色设定的意思
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), col = rainbow(3))
par(mfrow = c(1, 2))
data <- c(rep(1, 10), rep(2, 5), rep(3, 6)
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), col = rainbow(3))
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), col = rainbow(3), border = NA)#border=NA代表的是取条形显示框色
par(mfrow = c(1, 3))
data <- c(rep(1, 10), rep(2, 5), rep(3, 6))
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), density = 1, main = "density = 1")#density代表的设置条形，出斜线
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), density = 2, main = "density = 2")
hist(data, breaks = c(0.5, 1.5, 2.5, 3.5), density = 3, main = "density = 3")
