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Causal DAG templates

Biology — A Fork (Common Cause)

A common cause creates a spurious association.

Causal DAGLife SciencesCausal DAG syntax docs
Template previewCausal DAG
A fork (common cause)XXYYZCommon cause ZExposureOutcomeConfounderMediatorUnobserved`Y` is not a descendant of `X`, so P(Y | do(X)) = P(Y): this diagram says the effect is NULL, and identified without adjusting for anything.No arrow path leads from `X` to `Y`. This diagram states that the exposure has NO effect on the outcome — which may be exactly the null hypothesis being drawn, an…

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title "A fork (common cause)"
exposure X "X"
outcome Y "Y"
confounder Z "Common cause Z"
Z -> X
Z -> Y