find_triplet function

A function to find the best triplets of parent, moderator, and split point.

find_triplet(xk, nodeMbrship, y, vi, minbucket, minsplit)

Arguments

• xk: moderator vector
• nodeMbrship: node membership vector
• y: effect size
• vi: sampling variance
• minbucket: the minimal number of studies in child nodes
• minsplit: the minimal number of studies in parent node

Returns

pleaf: the parent node

cstar: the split point

rank: the rank used to order categorical moderator