randomExpressionChilds: Select random childs or subtrees of an expression
In rgp: R genetic programming framework

Description Usage Arguments

randchild returns a uniformly random direct child of an expression. randsubtree returns a uniformly random subtree of an expression. Note that this subtree must not be a direct child.

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randchild(expr)

randsubtree(expr, subtreeprob = 0.1)

`expr`	The expression to select random childs or subtrees from.
`subtreeprob`	The probability for `randsubtree` to select a certain subtree instead of searching further via an recursive call.