Wet grass example

Conditional probability tables for the wet grass example.

Examples

yn <- c("yes", "no")
p.R    <- cpt(~R, values=c(.2, .8), levels=yn)
p.S_R  <- cpt(~S:R, values=c(.01, .99, .4, .6), levels=yn)
p.G_SR <- cpt(~G:S:R, values=c(.99, .01, .8, .2, .9, .1, 0, 1), levels=yn)

grass_cpt <- list(p.R, p.S_R, p.G_SR)
## bn <- grain(compile_cpt(grass_cpt))