https://old.reddit.com/r/QuantifiedSelf/comments/wfuy03/personalized_digital_health_and_medicine_at_jsm/ "the g-formula (i.e., standardization, back-door adjustment) under serial interfer-
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ence. It estimates stable recurring effects, as is done in n-of-1 trials and single case experimental designs. We
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compare our approach to standard methods (with possible confounding) to show how to use causal inference
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to make better personalized recommendations for health behavior change, "