问题如下图：
选项：
这题讲义上也没说清楚，第一个观点不对吧，CART也需要设置regularization parameter，这也是超参数呀？A. 
B. 
C. 
解释：
NO.PZ2015120204000034 问题如下 Paul suggests the following step whiwoulrepeateevery quarter.Step 3 For eaof the 20 fferent groups, we use labeleta to train a mol thwill prethe five stocks (in any given group) thare most likely to become acquisition targets in the next one year. Comparing two ML mols thcouluseto accomplish Step 3, whistatement(s) best scribe(s) the aantages of using Classification anRegression Trees (CART) insteof K-Nearest Neighbor (KNN)? Statement I For CART there is no requirement to specify initihyperparameter (like K).Statement II For CART there is no requirement to specify a similarity (or stance) measure.Statement III For CART the output provis a visuexplanation for the prection A.Statement I only B.Statement III only C.Statements I, II anIII C is correct. The aantages of using CART over KNN to classify companies into two categories (“not acquisition target” an“acquisition target”), inclu all of the following: For CART there are no requirements to specify initihyperparameter (like K) or a similarity (or stance) measure with KNN, anCART provis a visuexplanation for the prection (i.e., the feature variables antheir cut-off values eano).A is incorrect, because CART provis all of the aantages incatein Statements I, II anIII. B is incorrect, because CART provis all of the aantages incatein Statements I, II anIII. CART也需要设置超参数吧？regularization parameters每一个no中的single feature和cutoff value不也是一种similarity吗？
NO.PZ2015120204000034 有点不明白为什么A是对的
老师，我和前面的同学问题差不多，我看了一下材料上，K-means clustering的优势里也写了visualize the ta
Statement III only Statements I, II anIII C is correct. The aantages of using CART over KNN to classify companies into two categories (“not acquisition target” an“acquisition target”), inclu all of the following: For CART there are no requirements to specify initihyperparameter (like K) or a similarity (or stance) measure with KNN, anCART provis a visuexplanation for the prection (i.e., the feature variables antheir cut-off values eano). A is incorrect, because CART provis all of the aantages incatein Statements I, II anIII. B is incorrect, because CART provis all of the aantages incatein Statements I, II anIII. 第二个statement是什么意思没理解
老师讲过，KNN也会provi a visuprection
