get_formula_lhs: Extract Left-Hand Side of Formula as String
Description
This function extracts the left-hand side (LHS) of a formula object and converts it to a character string. It uses get_formula_string to ensure consistent formatting.
Usage
get_formula_lhs(formula)
Value
A character string representing the left-hand side of the formula.
Arguments
formula
A formula object from which the LHS will be extracted.