wikipedia机器学习迷你书：《Computational learning theory》（计算学习理论） 比较理论，汇集了统计学习理论，VC理论，PAC学习，稳定性，在线学习与分布式学习等基本概念。顺各条参考文献可更深入学习。-wikipedia machine learning mini book:　Computational learning theory　(calculated learning theory) comparison theory, a collection of statistical learning theory, VC theory, PAC learning basic concepts stability, online learning and distributed learning. Shun pieces of reference can be more in-depth study.