Propensity Scores and Inverse Probability Weighting in Causal …
https://towardsdatascience.com/propensity-scores-and-inverse-probability-weighting-in-causal-inference-97aa53f3b6ce
WebFeb 1, 2021 · Inverse probability weighting formula. This formula has a numerical problem. We have to divide by the propensity score. In some cases, for some x, it may happen that the probability of treatment may be very low, which can easily increase its variance. So it is not always advised.
DA: 81 PA: 9 MOZ Rank: 79