Data-Processing PCA 資料降維:https://www.itread01.com/content/1543176315.html 資料分析實例: https://medium.com/finformation%E7%95%B6%E7%A8%8B%E5%BC%8F%E9%81%87%E4%B8%8A%E8%B2%A1%E5%8B%99%E9%87%91%E8%9E%8D/%E5%88%A9%E7%94%A8airbnb%E4%BE%86%E6%9B%B4%E4%BA%86%E8%A7%A3%E5%B1%85%E4%BD%8F%E5%9F%8E%E5%B8%82-%E4%BB%A5%E8%87%BA%E5%8C%97%E7%82%BA%E4%BE%8B-python%E5%AF%A6%E4%BD%9C-%E4%B8%8B-8b969f40c534 交叉驗證: https://ithelp.ithome.com.tw/articles/10197461 機器學習專案流程: https://medium.com/%E5%BC%B1%E5%BC%B1%E9%96%8B%E7%99%BC%E5%A5%B3%E5%AD%90-%E5%9C%A8%E6%9D%B1%E4%BA%AC%E7%9A%84%E9%96%8B%E7%99%BC%E8%80%85%E4%BA%BA%E7%94%9F/%E5%B0%88%E6%A1%88%E7%B6%93%E7%90%86-%E9%AB%98%E9%9A%8E%E7%AE%A1%E7%90%86%E4%BA%BA%E9%83%BD%E6%87%89%E8%A9%B2%E8%A6%81%E7%9F%A5%E9%81%93%E7%9A%84-%E6%A9%9F%E5%99%A8%E5%AD%B8%E7%BF%92%E5%B0%88%E6%A1%88%E7%9A%84%E5%9F%BA%E6%9C%AC%E6%B5%81%E7%A8%8B-e9d6564c0462 何時不該使用規一化 https://www.itread01.com/content/1500483372.html