EViews.com

it seems to me that you are trying to estimate potential effects of preferential agreements using the gravity model. in that case, you have to use panel data which incorporates not only cross-sectional analysis but also time dimension as well. it means you need to add other country-pairs into your d...

Use real exchange rate (rer) instead of nominal one. select your target country's rer as a baseline (=100) and rearrange other currencies subject to the change. once you get the data sorted on excel, you can run it on eviews. the dependent variable will be a function of rer and other explanatory var...