Diff-in-Diff Expert statistician / mathematician needed to help with Difference in Difference Analysis

Job ID: 30661374

Budget: $10 – $30 USD

I am doing a difference in difference analysis using R and need help with a few questions from an expert. You must have used Diff-in-Diff and know everything about it. I am using R, so proficiency in R will be prefered but not a must.