R Under development (unstable) (2024-09-06 r87103 ucrt) -- "Unsuffered Consequences"
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> library(pcalg)
> suppressWarnings(RNGversion("3.5.0"))
> set.seed(34)
> g <- randomDAG(5,0.8)
> trMat <- matrix(0, 5,5)
> trMat[1,5] <- 0.305
> trMat[1,4] <- 0.863
> trMat[1,2] <- 0.354
> trMat[2,4] <- 0.392
> trMat[2,5] <- 0.495
> trMat[3,4] <- 0.278
> 
> 
> ## eff 1->5: 0.305 + 0.354*0.495
> trEff <- 0.305 + 0.354*0.495
> estEff <- causalEffect(g, 5,1)
> 
> if (!(round(trEff,3) == round(estEff, 3))) {
+   stop("Test in wgtMatrix: Weights have wrong value!")
+ }
> 
> proc.time()
   user  system elapsed 
   0.78    0.12    0.89