terms: terms

In formula.tools: Programmatic Utilities for Manipulating Formulas, Expressions, Calls, Assignments and Other R Objects

Description

terms method for call and expression objects

Usage

## S3 method for class 'call'
terms(x, ...)

## S3 method for class 'expression'
terms(x, ...)

Arguments

x	A call object
...	Arguments passed to terms.formula This S3 method returns a terms object for a call methods using a dispatch to terms.formula . The terms are generated by making a rhs only call to terms.formula . data is only needed and must be explicitly specified, i.e. data = if there are special elements such as '.'. Otherwise the data argument is unused. Some edge cases may not be supported.

Value

A terms object. See terms.object for details.

Author(s)

Christopher Brown

See Also

• stats::terms.object()

• stats::terms.formula()

Examples

    terms( quote( A + B ) )

    data(iris) 
    x <- terms( quote( . - Species ) , data=iris ) 

formula.tools documentation built on May 2, 2019, 1:45 p.m.