[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGc2bryEpCDX0EHrHRNvkO62rK_Jbn4t45GWMoTn4wkA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":13,"related":14,"source":24,"type":51},[],"2025-01-06 09:46:25",997926655,[8,9],"对","错",{"courseImg":11,"courseName":12},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd43133a0412d1455ad74ee6835d6e71a.jpg","[共享课]数据挖掘","回归分析通常用于挖掘关联规则.( )",[15,26,37,46,52,61,70,73,78,87],{"answer":16,"createTime":5,"id":17,"options":18,"question":23,"source":24,"type":25},[],997926514,[19,20,21,22],"一元回归分析","非线性回归分析","线性回归分析","多元回归分析","回归分析按照自变量和因变量之间的关系类型,可分为( )","v2",1,{"answer":27,"createTime":28,"id":29,"options":30,"question":35,"source":24,"type":36},[],"2025-01-06 09:46:24",997926562,[31,32,33,34],"决策树","支持向量","k-means","朴素贝叶斯分类","下述四种方法哪一种不是常见的分类方法( )",0,{"answer":38,"createTime":28,"id":39,"options":40,"question":45,"source":24,"type":36},[],997926570,[41,42,43,44],"多媒体数据","音频数据","文本数据","时间序列数据","不同时刻的气温属于( )数据",{"answer":47,"createTime":5,"id":48,"options":49,"question":50,"source":24,"type":51},[],997926611,[8,9],"一种正确选择簇数的启发式方法是使用簇内方差和关于簇数曲线的拐点.( )",3,{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":24,"type":25},[],997926615,[56,57,58,59],"数据集成","最大最小规范化","数据归约","数据泛化","数据规范化的方法不包括( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":24,"type":36},[],997926625,[65,66,67,68],"0.386","0.225","0.412","0.179","假定用于分析的数据包含属性age,数据元组中age的值如下(按递增序):13,15,16,16,19,20,20,21,22,22,25,25,25,25,30,33,33,33,35,35,35,35,36,40,45,46,52,70.已知age的标准偏差为12.94年,使用z-score规范化对age值35进行转换,转换后得到的值( )",{"answer":71,"createTime":5,"id":6,"options":72,"question":13,"source":24,"type":51},[],[8,9],{"answer":74,"createTime":5,"id":75,"options":76,"question":77,"source":24,"type":51},[],997926746,[8,9],"若一个对象不属于任何簇,那么该对象是基于聚类的离群点.( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":24,"type":25},[],997926782,[82,83,84,85],"变量代换","离散化","聚集","估计遗漏值","下面属于数据预处理的方法的是( )",{"answer":88,"createTime":28,"id":89,"options":90,"question":94,"source":24,"type":36},[],997926788,[91,92,93,83],"主成分分析","特征提取","特征加权","下面属于维归约常用的线性代数技术的有( )"]