[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqwGxdV9kdnmdzP7_DizLhS2gLDmBiiZ3G6BnKGmsx8o":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-10-10 15:22:02",220092019,[8,9,10,11],"仅对 DataFrame和Series 类型的数据有效","仅支持单一特征的数据去重","数据重复时默认保留第一个数据","该函数不会改变原始数据排列",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},92,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167321223","宪法与法律","以下关于drop duplicates 函数的说法中错误的是",[21,32,41,50,59,68,71,81,91,100],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],220092012,[25,26,27,28],"pandas没有做哑变量的函数","在不导入其他库的情况下,仅仅使用 pandas 就可实现聚类分析离散化","pandas可以实现所有的数据预处理操作","cut函数默认情况下做的是等宽法离散化","以下关于pandas数据预处理说法正确的是","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],220092013,[36,37,38,39],"concat 是最常用的主键合并的函数,能够实现内连接和外连接","append 方法只能用来做纵向堆叠,适用于所有纵向堆叠情况","merge 是最常用的主键合并的函数,但不能够实现左连接和右连接","join 是常用的主键合并方法之一,但不能够实现左连接和右连接","下列关于concat 函数 append 方法、merge 函数和join方法的说法正确的是",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],220092014,[45,46,47,48],"3σ原则利用了统计学中小概率事件的原理","使用箱线图方法时要求数据服从或近似服从正态分布","基于聚类的方法可以进行离群点检测","基于分类的方法可以进行离群点检测","以下关于异常值检测的说法中错误的是",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],220092015,[54,55,56,57],"dtypes查看类型,astype 转换类别,describe 描述性统计","astype查看类型,dtypes 转换类别,describe描述性统计","describe查看类型,astype 转换类别,dtypes 描述性统计","dtypes 查看类型,describe 转换类别,astype 描述性统计","有一份数据,需要查看数据的类型,并将部分数据做强制类型转换,以及对数值型数据做基本的描述性分析.下列的步骤和方法正确的是",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],220092017,[63,64,65,66],"离差标准化简单易懂,对最大值和最小值敏感度不高","标准差标准化是最常用的标准化方法,又名零一均值标准化","小数定标标准化实质上就是将数据按照一定的比例缩小","多个特征的数据的K-Means 聚类不需要对数据进行标准化","下列与标准化方法有关的说法中错误的是",{"answer":69,"createTime":5,"id":6,"options":70,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":80},[],220092021,[75,76,77,78],"合并属性","逐步向前选择和逐步向后删除","决策树归纳","主成分分析","属性规约常用方法有",1,{"answer":82,"createTime":83,"id":84,"options":85,"question":90,"source":30,"type":31},[],"2025-12-06 11:59:14",252554450,[86,87,88,89],"对短信置之不理,同时提醒同伴防范","查询短信电话,确认中奖再付款","与对方联系,并按提示汇入款项,等通知去领奖","心中暗暗窃喜,按照对方要求去做","李某接到短信,称其参与《爸爸去哪儿》栏目活动中了大奖,缴纳税金后即可领奖,正确的做法是()",{"answer":92,"createTime":83,"id":93,"options":94,"question":99,"source":30,"type":31},[],252554451,[95,96,97,98],"集中体现了习近平法治思想所具有的鲜明政治属性","集中体现了习近平法治思想站位高远、视野宏阔、内涵丰富、思想深邃、逻辑严密、系统完备","集中体现了习近平法治思想所蕴含的深邃历史智慧","集中体现了习近平法治思想所积淀的深厚实践基础","关于习近平法治思想"以人民为中心"的表述有误的一项是()",{"answer":101,"createTime":83,"id":102,"options":103,"question":108,"source":30,"type":31},[],252554452,[104,105,106,107],"基层民主","党内基层民主","党内民主","基层法治","具有全体公民广泛参与的特点,是社会主义民主的重要组成部分和广泛而又深刻的实践"]