並前往https://pulipulichen.github.io/blog-pulipuli-info-data-2017/09/Big-Data-Analysis-Course/W10%20%E9%80%A3%E7%BA%8C%E8%AE%8A%E9%A0%85%E7%9A%84%E5%B7%AE%E7%95%B0%E6%AA%A2%E5%AE%9A%20-%20blog.pptx