Convert the parsed formula back into the original
# S3 method for parseFormula
formula(x, drop.groups = FALSE, drop.lhs = FALSE, ...)A formula (optionally with portions removed)
The parsed formula object to revert to the original
logical. Should the returned formula drop the groups?
logical. Should the returned formula be one-sided dropping the left hand side?
Unused.
Other Formula parsing:
findOperator(),
parseFormula()