public Formula(Expression predictor, Expression response)
{
lhs = new Expressions();
lhs.All.Add(predictor);
rhs = new List<Expressions> { new Expressions() };
rhs[0].All.Add(response);
labels = new EmptyFrame();
}
public Formula()
{
lhs = new Expressions();
lhs.All.Add(Symbol.Constant);
rhs = new List<Expressions> { new Expressions() };
rhs[0].All.Add(Symbol.Constant);
labels = new EmptyFrame();
}