Convert a string into a formula and/or change the associated environment

This function is used to transform a name like 'var' into a formula ~var.

f_(x, env = parent.frame())

Arguments

x

Either a name (character string) or a formula

env

The environment to associate with the formula

Value

A formula

Examples

f_('var')
#> ~var
#> <environment: 0x55fd18e20bc8>