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--- members:aguilloux:enseignements:timeseries [2017/03/20 12:38]
Agathe Guilloux
+++ members:aguilloux:enseignements:timeseries [2017/03/22 12:25]
Agathe Guilloux
@@ Line 22: / Line 22: @@
-Question 3,3
-  + We want to fit a sarima model to the seasonaly differenciated series.
-  Execute the following code, should it be a difference between the two calls
-  to the `auto.arima` function ?
-```{r}
-model_D1 =auto.arima(deaths , D=1)
-deaths.diff = diff(deaths, 12)
-model_diff = auto.arima(deaths.diff)
-```