神经网络的R语言程序，有分类的和回归的，可以直接运行-R programming language of neural network, a classification and regression, can be directly run!!!!!

bp网络的测试代码，使用C++编程，已测试通过，希望对大家有用，多多提意见。-Bp network test code, using c++ programming, has the tests pass, hope useful for everyone, a lot of advice.