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  1. J

    County Level Matched Pairs Treatment

    I usually try to write answers up here, but this time I'm asking the question. Hopefully, you all can go easy on me. I am working on a project where our team is trying to implement a county-level treatment and measure its effects. They have chosen to do a matched pair analysis where they...
  2. J

    Extreme Gradient Boosting for Survival Analysis?

    A bit of a theoretical question here. A colleague of mine created an XGBoost model to estimate the probability of a sale closing on a software deal. The deal is scored every day and updated when changes in the deal terms exist, etc. However the estimates are extremely unstable day to day. They...