Search found 4 matches

by T8SCH
Tue Jan 12, 2021 2:09 am
Forum: Data Manipulation
Topic: import time series from tables stored in yearly Excel sheets
Replies: 2
Views: 2865

import time series from tables stored in yearly Excel sheets

Hi, I have data with the following dimensions: time * activity * product. The source Excel file is structured as follows (see attachment): for each year we have a sheet containing a table with activity identifiers in lines and product identifiers in columns. I want to end up with a time series workf...
by T8SCH
Tue Jun 14, 2016 1:26 am
Forum: Suggestions and Requests
Topic: Exchange with GAMS / .gdx files
Replies: 1
Views: 4431

Exchange with GAMS / .gdx files

GAMS is a powerful optimization software, but GAMS is not very convenient for data analysis. Our databases and econometric forecasts are handled with EViews, meaning that we actually use EViews before and after running our CGE model in GAMS, and thereby transfer data from .wf1 to .xls and then to .g...
by T8SCH
Tue Feb 03, 2015 9:54 am
Forum: Estimation
Topic: Auto-series fitting/forecasting: level or @pc()?
Replies: 1
Views: 2383

Auto-series fitting/forecasting: level or @pc()?

Dear all, I realized that if I compute the fitted values in levels or using the expression of the dependent variable (in my case @pc) then values, of course expressed in the same units, actually differ! Until now I thought this option "d" was only a matter of convenience of how the output ...

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