In PyBrain, ____ technique is used to assess how well a neural network performs by breaking the dataset into a number of subgroups and training the network on each subset separately.

PyBrain is a modular, open source Machine Learning Library for Python. PyBrain is a short form of Python-Based Reinforcement Learning, Artificial Intelligence, and Neural Network. In PyBrain, networks are connected using connections. First, the new network is created, and then it is analyzed.