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Hello I am new to eviews and trying to perform a forecast using an expanded window. I have an equation for estimated with the in sample period and I am aiming to do an out of sample exchange rate forecast. Is there a build in eviews function that does that or do I need to install a "roll" ...

I am trying to compare performance of a random walk and different models in predicting exchange rates in out of sample testing. I have trouble creating the random walk: I have created a random walk series using : y=y(-1) + NRND Now I need to obtain RMSE of the forecast using the random walk. How do ...