零基础教程--教你使用php-ml机器学习预测泰坦尼克号生还率案例:
https://blog.csdn.net/aa4933/article/details/78433919

机器学习错题集+经验教训
http://wow0.cn/2017/10/22/train_machine_learning/

Datasets–数据结构(Array)
https://php-ml.readthedocs.io/en/latest/machine-learning/datasets/array-dataset/