showTree {codetools}

R Documentation

Print Lisp-Style Representation of R Expression

Description

Prints a Lisp-style representation of R expression. This can be useful for understanding how some things are parsed.

Usage

showTree(e, write = cat)

Arguments

e	R expression.
write	function of one argument to write the result.

Author(s)

Luke Tierney

Examples

showTree(quote(-3))
showTree(quote("x"<-1))
showTree(quote("f"(x)))

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