I looked up Mahalanobis matching and am now down a rabbit hole of learning more about statistics / data. I was surprised the first result on google was a stack

I looked up Mahalanobis matching and am now down a rabbit hole of learning more about statistics / data. I was surprised the first result on google was a stack exchange post, but it turned out to be one of the best stack exchange answers I've ever seen. https://stats.stackexchange.com/questions/511294/what-are-the-pros-and-cons-of-using-mahalanobis-distance-instead-of-propensity-s https://stats.stackexchange.com/questions/511294/what-are-th...