treeSize {xegaDerivationTrees}

Measures the number of symbols in a derivation tree.

Description

treeSize() returns the number of symbols in a derivation tree.

Usage

treeSize(tree)

Arguments

tree

Derivation tree.

Value

Integer. Number of symbols in a derivation tree.

See Also

Other Measures of Tree Attributes: treeLeaves(), treeListDepth(), treeNodes()

Examples

g<-compileBNF(booleanGrammar())
a<-randomDerivationTree(g$Start, g)
treeSize(a)