第一章
目录
1生成时间序列数据
1.1行输入
price<-c(101,82,66,35,31,7)
price<-ts(price,start=c(2015,1),frequency = 12)
price
Jan Feb Mar Apr May Jun
2015 101 82 66 35 31 7
plot(price)
1.2列输入
price<-scan()
1: 101
2: 82
3: 66
4: 35
5: 31
6: 7
7:
Read 6 items
> price<-ts(price,start=c(2015,1),frequency=12)
> price
Jan Feb Mar Apr May Jun
2015 101 82 66 35 31 72绘制时序图
2.1点线结构参数
plot(price, type = “o”)
par(mfrow=c(3,2))
plot(price,type="p",main='type="p"')
plot(price,type="l",main='type="l"')
plot(price,type="b",main='type="b"')
plot(price,type="o",main='type="o"')
plot(price,type="h",main='type="h"')
plot(price,type="s",main='type="s"')
plot(price,type="p",main='type="p"')
2.2符号参数
par(mfrow=c(2,2))
plot(price,type="o",pch=1,main='pch=1')
plot(price,type="o",pch=8,main='pch=18')
plot(price,type="o",pch=16,main='pch=16')
plot(price,type="o",pch=24,main='pch=24')
2.3连线类型参数
par(mfrow=c(1,2))
plot(price,lty=1,main='lty=1')
plot(price,lty=2,main='lty=2')
