plyr (version 1.8.5)

as.quoted: Convert input to quoted variables.

Description

Convert characters, formulas and calls to quoted .variables

Usage

as.quoted(x, env = parent.frame())

Arguments

x

input to quote

env

environment in which unbound symbols in expression should be evaluated. Defaults to the environment in which as.quoted was executed.

Value

a list of quoted variables

Details

This method is called by default on all plyr functions that take a .variables argument, so that equivalent forms can be used anywhere.

Currently conversions exist for character vectors, formulas and call objects.

See Also

.

Examples

# NOT RUN {
as.quoted(c("a", "b", "log(d)"))
as.quoted(a ~ b + log(d))
# }