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Table 4 Simulation design of responses for Scenario 3 and 4

From: Intervention in prediction measure: a new approach to assessing variable importance for random forests

Variables Y 1|X 1=0 Y 1|X 1=1 Y 2|X 1=0 Y 2|X 1=1
Scenario 3 2 + 2 ·X 2 + N(0,0.1) 3 + 4 ·X 2 + N(0,0.2) 2 + 3 ·X 2 + N(0,0.15) 3 + 5 ·X 2 + N(0,0.2)
Scenario 4 idem 4 + N(0,0.2) idem 5 + N(0,0.2)
  1. The variables are sampled independently from the following distributions. N(μ,σ) stands for the normal distribution with mean μ and standard deviation σ