p_split {BayesTreePrior}

Probability of split of the tree prior.

Description

Probability of split of the tree prior.

Usage

p_split(alpha, beta, depth = 0)

Arguments

alpha

base parameter of the tree prior, \alpha \in [0,1).

beta

power parameter of the tree prior, \beta \geq 0.

depth

depth of the current node, depth \geq 0.

Value

Returns the probability of split.

References

Chipman, H. A., George, E. I. et McCulloch, R. E. (1998). Bayesian CART model search. Journal of the American Statistical Association, 93(443), 935-948.

Examples

p_split(.95,.5)
p_split(.95,.5,1)
p_split(.95,.5,2)