as.quoted {plyr} | R Documentation |
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 |
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.
Value
a list of quoted variables
See Also
Examples
as.quoted(c("a", "b", "log(d)"))
as.quoted(a ~ b + log(d))
[Package plyr version 1.8.9 Index]