I am using auto.arima() for forecasting.When I am using any in built data
such as "AirPassangers" it is capturing seasonality. But, If I am entering
data in any other format(in vector form or from an excel sheet) it is not
detecting seasonality.
Is there any specific format in which it detects seasonality or I am doing
some thing wrong?
Does data have to be entered in a specific format?
--
Siddharth Arun,
4th Year Undergraduate student
Industrial Engineering and Management,
IIT Kharagpur
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