Homework 3

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İŞL 276 Forecasting Methods
Homework 3
1. In Od31 dataset, sales are given between (1950:2001). Using this dataset,
construct ARMA model and forecast for 2002 data.
2. Od32 dataset is yearly and it starts at 1900. Using this dataset, construct
ARMA model and forecast next year’s data.
3.In the sales data, the monthly sales data of a retailer is given starting from
1988-January. There is a trend and seasonality components in the data. Using
this dataset, construct ARMA model and forecast the sales at the first month of
1996.
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