I am doing a replication study of a econometric paper, which measures foreign aid's impact upon economic growth. The study focuses on developing countries, which generally have many gaps in reported data year to year. Therefore most studies average variables such as population growth, investment, government spending and so forth. When I run a exact replication without averaging, which inevitability corrects for errors in data, my model becomes essentially useless. So then from your example how would I implement that into into a simple OLS? For example my current model is as follows: PROC REG; MODEL GDPCG = GDP POPG INV GOV ODA ODAS; RUN; How would I take the code you displayed and implement that into a model. Would I set output out= summary mean= AVGGDP; (being an average of GDP? In order to run the regression for averaged values rather than every instance. Thanks for your response.
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