1/ Important clarification of this point: SCM embraces the counterfactual notation Y_x and its logic, but not the "PO approach" which is a research methodology built around Y_x. The fundamental difference: SCM starts with what you believe (eg DAG), PO starts with what you need (ehttps://twitter.com/yudapearl/status/1223051800334360577 …
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2/ (eg., ignorability conditions). Why can't PO start with what we believe? Because it insists on expressing everything in the language of Y_x, no structure, no DAGs, while SCM starts with the language in which scientific knowledge is stored: "who listens to whom?"#Bookofwhy
00:30 - 31. sij 2020.
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