Y-structure collider

Source: R/y-structure.r

X and Y are continuous, they influence continuous S which predicts binary inclusion variable Z

simulate_y_structure(
  n,
  prop,
  or_sz,
  b_xy,
  rsq_xs,
  rsq_ys,
  vx = 1,
  vy = 1,
  vs = 1,
  sig.level = 5e-08
)

Arguments

n

Population sample size
prop

Proportion of population in sample
or_sz

Odds ratio for the effect of collider variable S on being included
b_xy

Causal effect of X on Y
rsq_xs

Variance explained by X on collider variable S
rsq_ys

Variance explained by Y on collider variable S
vx

Variance of X. Default = 1.
vy

Variance of Y. Default = 1.
vs

Variance of S. Default = 1.
sig.level

Alpha threshold for power calculation. Default = 5e-8

Value

List of simulation results