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2 questions
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How to code a dummy variable for time in a difference in difference model in R?
I am trying to do a difference in difference analysis on data from a randomized controlled trial where the control and treatment occurred during the exact same time period (treatment was administered ...
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Quasi-experiment analysis
I have 5-year sales information from a grocery store in Canada. I want to check the effect of an online campaign that happened in 2017 on food sales. My treatment group is people living in urban areas....
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