[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fu8ALm5cw7Em5KOQoSXDYFPocbSVV0wK9reHgF9bpT6o":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":17,"related":18,"source":29,"type":30},[],"2025-06-15 00:24:49",200707565,[8,9,10],"原型聚类","密度聚类","层次聚类",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":15},85,"fc0c1d00e84a5bdd920ca3eef531981e","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffb47e65ee6bbb8f896e6b4fca1783b07.png","机器学习初步","exam_162020308","下面哪一项是通过样本分布的紧密程度确定聚类结构的聚类算法",[19,31,40,49,58,67,76,79,89,98],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2025-06-15 00:24:48",200707551,[24,25,26,27],"所有机器学习问题问题出现的机会相同","机器学习算法需要数据","一个算法a若在某些问题上比另一个算法b好,必存在另一些问题没算法b好","一个算法a若在某些问题上比另一个算法b好,a一定比b需要更多数据","以下哪种说法描述了NFL定理","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],200707553,[35,36,37,38],"降低;降低","降低;增加","增加;降低","增加;增加","后剪枝的测试时间开销(),训练时间开销()",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":29,"type":30},[],200707554,[44,45,46,47],"单层后向网络","多层后向网络","单层前馈网络","多层前馈网络","目前神经网络最常用的网络结构是下列哪个选项",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":29,"type":30},[],200707556,[53,54,55,56],"以很低概率得到不好的模型","以很低概率得到很好的模型","以很高概率得到很好的模型","以很高概率得到不好的模型","以下哪个是对概率近似正确(PAC)的正确解释",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":29,"type":30},[],200707560,[62,63,64,65],"1956","1966","1979","1993","第一篇关于决策树的工作在哪一年发表的",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":29,"type":30},[],200707562,[71,72,73,74],"错误率","精度","查准率","查全率","收购西瓜的公司希望把瓜摊的好瓜都尽量收走,请问他的评价标准是",{"answer":77,"createTime":5,"id":6,"options":78,"question":17,"source":29,"type":30},[],[8,9,10],{"answer":80,"createTime":81,"id":82,"options":83,"question":88,"source":29,"type":30},[],"2025-06-15 00:24:50",200707568,[84,85,86,87],"数据","某种类型假设","标记","运行速度","归纳偏好指机器学习算法在学习过程中,对以下哪个选项的偏好",{"answer":90,"createTime":81,"id":91,"options":92,"question":97,"source":29,"type":30},[],200707571,[93,94,95,96],"若有多个假设与观察一致,则随机选一个","若有多个假设与观察一致,则选既不简单又不复杂的那个","若有多个假设与观察一致,则选最简单的那个","若有多个假设与观察一致,则选最复杂的那个","以下哪个选项是指&quot;奥卡姆剃刀&quot;原则",{"answer":99,"createTime":81,"id":100,"options":101,"question":106,"source":29,"type":30},[],200707573,[102,103,104,105],"训练集;需要","训练集;不需要","验证集;需要","验证集;不需要","我们通常将数据集划分为训练集,验证集和测试集进行模型的训练,参数的验证需要在()上进行,参数确定后()重新训练模型"]