truncate(r: ranvar, a: number, b: number) 🡒 ranvar, pure function

Returns the conditional ranvar between the inclusive boundaries [a, b]. This function is almost equivalent to min(max(r, a), b), except that it fails if the first argument is greater than the second.

show scalar "poisson(3)" a1c3 with poisson(3)
show scalar "truncate(poisson(3), 2, 5)" a4c6 with truncate(poisson(3), 2, 5)