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Causal DAG templates

Maths — Front-door Criterion

A mediator identifies the effect despite confounding.

Template previewCausal DAG
Front-door criterionXExposureMMediatorYOutcomeUUnmeasured confounderExposureOutcomeConfounderMediatorUnobservedNo adjustment set works — but the front door is open through `Mediator`, which identifies the total effect without measuring the confounder.No adjustment set works here — and the FRONT DOOR is open through `Mediator`. Every causal path from `Exposure` to `Outcome` passes through it, nothing confounds …

Make it your own.

title "Front-door criterion"
exposure X "Exposure"
mediator M "Mediator"
outcome Y "Outcome"
unobserved U "Unmeasured confounder"
X -> M
M -> Y
U -> X
U -> Y