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TSA

 

> install.packages("TSA")
also installing the dependencies ‘leaps’, ‘locfit’

trying URL 'https://cran.rstudio.com/bin/windows/contrib/3.5/leaps_3.0.zip'
Content type 'application/zip' length 360693 bytes (352 KB)
downloaded 352 KB

trying URL 'https://cran.rstudio.com/bin/windows/contrib/3.5/locfit_1.5-9.1.zip'
Content type 'application/zip' length 682433 bytes (666 KB)
downloaded 666 KB

trying URL 'https://cran.rstudio.com/bin/windows/contrib/3.5/TSA_1.2.zip'
Content type 'application/zip' length 532246 bytes (519 KB)
downloaded 519 KB

package ‘leaps’ successfully unpacked and MD5 sums checked
package ‘locfit’ successfully unpacked and MD5 sums checked
package ‘TSA’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
	C:\Users\lenovo\AppData\Local\Temp\RtmpInCBSD\downloaded_packages
> library(TSA)

载入程辑包:‘TSA’

The following objects are masked from ‘package:stats’:

    acf, arima

The following object is masked from ‘package:utils’:

    tar

> 
> setwd("C:/Users/lenovo/Documents/R workspace")
> Data=read.csv("./arima_data.csv",header = T)[,2]
> sales=ts(Data)
> plot.ts(sales,xlab="时间",ylab="销量/元")
> difsales=diff(sales)
> res=armasubsets(y=difsales,nar=5,nma=5,y.name = 'test',ar.method = 'ols')
> plot(res)

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