siddharth arun <sid.arun91 <at> gmail.com> writes: > > 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? > Unfortunately, this is far too vague a question for us to answer. Please read the posting guide and give us some more details about what you are trying to do, preferably as a small reproducible example. Also, be aware that auto.arima() is a function in the contributed 'forecast' package: this would be useful information to include.
Ben Bolker ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
