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                [TOC] ## 四、綜合題 **1.請描述K-Means算法的步驟,算法的缺點及改進。** **2.請簡述KNN算法的步驟。** **3.請列舉不少于四個分類算法,簡單介紹算法原理** **4.下表給出了一組數據的相似矩陣** ![](https://img.kancloud.cn/69/46/6946449718e9ec30030a508bbabe2084_579x207.png) **&emsp;&emsp;1)使用單鏈接(MIN)方式進行層次聚類,請畫出對應的樹狀圖。** **&emsp;&emsp;2)使用全鏈接(MAX)方式進行層次聚類,請畫出對應的樹狀圖。** **5.請對比分析boosting和bagging。** **6.請簡述數據挖掘的整個過程。** **7.請談談你對特征工程的理解。** **8.請簡述什么是過擬合問題、產生的原因有哪些以及解決過擬合的辦法。**
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