Proposes a move in state space.
This operator changes a beast.tree.
Randomly selects true internal tree node (i.e. not the root) and move node height uniformly in interval restricted by the nodes parent and children.
tree, markclades, weight
|beast.tree on which this operation is performed|
|Mark all ancestors of nodes changed by the operator as changed, up to the MRCA of all nodes changed by the operator.|
|Optional input. Default: false|
|weight with which this operator is selected|