Timeline for Why the seasonality of daily time series is not predicted correctly in R with arima model?
Current License: CC BY-SA 4.0
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| Dec 19, 2019 at 17:12 | comment | added | Chris Umphlett | Agreed, but I would challenge you on the wisdom of doing that. Granted - I assume you have some real data that I don't know anything about, but per the example you provided there is no reason to think that utilizing the previous year value will improve the forecast. You could just use 365.25 as your seasonal frequency if you really want this capability. | |
| Dec 19, 2019 at 16:12 | comment | added | Robert Sun | Yes, but if I do this, I cannot compare the days of 2020 with the days of 2019. Imagine I have a high value one day of 2019, then I will want to have the same peak in the same day of 2020. | |
| Dec 19, 2019 at 16:00 | history | answered | Chris Umphlett | CC BY-SA 4.0 |