Convert characters, formulas and calls to quoted .variables
as.quoted(x, env = parent.frame())
a list of quoted variables
input to quote
environment in which unbound symbols in expression should be evaluated. Defaults to the environment in which as.quoted was executed.
as.quoted
This method is called by default on all plyr functions that take a .variables argument, so that equivalent forms can be used anywhere.
.variables
Currently conversions exist for character vectors, formulas and call objects.
.
as.quoted(c("a", "b", "log(d)")) as.quoted(a ~ b + log(d))
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