Good morning, Is there a package that replaces the sgd package to explore the Gradient Descent (SGD) t echnique ? Best regards, *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~ Tony *~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~* [[alternative HTML version deleted]]