jimrandomh comments on Causal Diagrams and Causal Models - Less Wrong

61 Post author: Eliezer_Yudkowsky 12 October 2012 09:49PM

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Comment author: jimrandomh 12 October 2012 06:14:52PM 1 point [-]

In this case, the true structure would be O->E, O->W, I->E. If O is unobserved, then you confuse a fork for an arrow, but I'm not sure you can actually get an arrow pointing the wrong way just by omitting variables.