What is a causal model and how is it different from a "common" statistical model?
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Thread on a mental picture and intuition how one may think about (a subclass of) causal models and the causal discovery problem. 1/
@bttyeo@eliasbareinboim@KordingLab@EpiEllie@causalinf
A "common" statistical model models one joint distribution over variables X = {A, B, …}; a causal model models a set of joint distributions over X, one for each intervention.
Here line segments correspond to the modellable distributions for varying model parameters. 2/
Apr 2, 2019 • 15 tweets • 5 min read
Does the number of boxes loaded _cause_ the risk of a truck rolling over?
In what ways does confounding (or having access only to certain macro-variables) limit causal inference in neuroimaging?
How are these two questions related?
Check out the thread below 👇
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Bear with me, in an attempt to strip down the problem and to provide a starting point for a constructive discourse I am deliberately not using neuro lingo to begin with.
I hope the following idealised simplified toy example turns out to be instructive.