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IDYNO: Learning Nonparametric DAGs from Interventional Dynamic Data

ICML 2022 · Probabilistic and scientific modeling › Causal discovery · approach: Causal discovery from time series

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add interventional loss (separate distribution for intervened nodes) to linear DYNOTEARS-style objectiveIDYNO (linear) · Synthetic linear interventionalSHD: 32 -> 19Helped
linear IDYNO vs DYNOTEARS on purely observational dataIDYNO (linear) · Synthetic linear observationalSHD: 2.0 vs 2.0No clear effect
switch from linear to neural MLP model (IDYNO-nn) on hard-intervention nonlinear dataIDYNO · Nonlinear hard-intervention synthetic (d=5 to 20)SHDHelped
soft-intervention loss function added to IDYNO-nn (ablation)IDYNO-nn · Nonlinear soft-intervention synthetic (d=20)SHD: 39.0 (IDYNO-nn-soft) vs IDYNO-nn (much worse)Helped
neural model with hard-intervention loss on network administration ring DBNIDYNO-nn · Network administration (ring topology)SHDHelped
neural soft-intervention variant IDYNO-nn-soft vs IDYNO-nn on Lunar Lander (ablation)IDYNO-nn · Continuous Lunar LanderSHD: 31.2 -> 27.4Helped
interventional data use in linear IDYNO vs DYNOTEARS on Lunar LanderIDYNO (linear) · Continuous Lunar LanderSHD: 32.6 -> 32.2Helped

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