Project description
Offering extra earnings. Excel must predict the same data set in three ways:
1) the trend (additive or multiplier) model
2) regression model of GDP
3) the autoregression model (such as ARMA or ARIMA)
From the three forecasts obtained, you should choose the best, argue the choice, draw conclusions.
* The actual and forecast values of the GDP of the Russian Federation should be found independently, indicate the source