Many researchers estimate the heterogeneity of treatment effects using linear regression, but newer methods rely on machine learning, for example Green and Kern (2012), Imai and Ratkovic (2013), Taddy et al. (2016), and Athey and Imbens (2016a).
ນັກຄົ້ນຄວ້າຈໍານວນຫຼາຍປະມານ heterogeneity ຂອງຜົນກະທົບການປິ່ນປົວການນໍາໃຊ້ regression ແຂບໄດ້, ແຕ່ວິທີການໃຫມ່ອີງໃສ່ການຮຽນຮູ້ຂອງເຄື່ອງ, ສໍາລັບການຍົກຕົວຢ່າງ Green and Kern (2012), Imai and Ratkovic (2013), Taddy et al. (2016), ແລະ Athey and Imbens (2016a).