Introduction - If you have any usage issues, please Google them yourself
The data set of Iris flower was divided into 2 groups, 75 samples in each group. Each group had 25 samples per flower. One group is the training sample for the above procedure, and the other one is the test sample. To facilitate training, 3 kinds of flowers were numbered 1, 2 and 3, respectively. Use these data to train a forward network with a 4 input (4 features respectively), and 3 output (for the size of the sample that belongs to a certain variety, respectively).