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#Testing the stationarity of the data
#Augmented Dickey-Fuller Test
adf.test(tsdata)
#Autocorrelation test
autoplot(acf(tsdata,plot=FALSE))+ labs(title="Correlogram of Air Passengers data")
tsdata_decom$random
autoplot(acf(tsdata_decom$random[7:138],plot=FALSE))+ labs(title="Correlogram of Air Passengers Random Component")
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