get.vars-methods {formula.tools} | R Documentation |
Get variable (names) from various R objects
Description
get.vars
extracts variable names from various R objects such as formulas, expressions, calls, symbols, etc. It is very similar to all.vars
except that all symbols, etc. are interpolated to the names of variables.
Methods
- x = "call", data = "ANY"
- from calls
- x = "expression", data = "missing"
- from expressions
- x = "formula", data = "ANY"
- from formulas
- x = "name", data = "ANY"
- from names and symbols
- x = "ANY", data = "ANY"
- from all other objects, returns NULL. Only the above classes can contain variable names.
[Package
formula.tools version 0.14.1
Index]