R时间序列plot.ts() [英] R Time Series plot.ts()

问题描述

我试图阅读时间序列并进行plot.ts()，但是结果却很奇怪.也许我做错了.我尝试包括开始日期和结束日期，但输出仍然错误. 任何帮助表示赞赏.谢谢.

I am trying to read in a time series and do a plot.ts(), however I am getting weird results. Perhaps I did something wrong. I tried including the start and end dates but the output is still wrong. Any help appreciated. Thank you.

这是代码和输出:

sales1 <- read.csv("TimeS.csv",header=TRUE)
sales1

salesT <- ts(sales1)
salesT
plot.ts(salesT)

output:
> sales1 <- read.csv("TimeS.csv",header=TRUE)
> sales1

  year  q1  q2  q3  q4
1 1991 4.8 4.1 6.0 6.5
2 1992 5.8 5.2 6.8 7.4
3 1993 6.0 5.6 7.5 7.8
4 1994 6.3 5.9 8.0 8.4

> salesT <- ts(sales1)
> salesT

Time Series:
Start = 1 
End = 4 
Frequency = 1 
  year  q1  q2  q3  q4
1 1991 4.8 4.1 6.0 6.5
2 1992 5.8 5.2 6.8 7.4
3 1993 6.0 5.6 7.5 7.8
4 1994 6.3 5.9 8.0 8.4

> plot.ts(salesT)

 It looks like I can't paste the plot.  instead of 1 graph it has 5 separate    
 plots stacked onto each other.

推荐答案

原始数据的格式很难直接用于时间序列.您可以尝试以下方法:

The format of the original data is difficult to use directly for a time series. You could try this instead:

sales1 <- t(sales1[,-1])
sales1 <- as.vector(sales1)
my_ts <- ts(sales1, frequency = 4, start=c(1991,1))
plot.ts(my_ts)

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