[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9iFmUDHWPcQQonJuTfB4S9iGihue1wOko9HtzGmPWz4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":16,"related":17,"source":27,"type":77},[],"2024-10-12 01:55:04",1005011015,[8,9,10,11,12],"XML BIF","DOCX","TXT","XLS","ARFF",{"courseImg":14,"courseName":15},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F38eaed6509565fcaaf2bbca425c037a5.png","[共享课]大数据工具应用","贝叶斯网络编辑器界面支持打开已经保存的贝叶斯网络文件格式是( )",[18,29,38,47,56,65,74,78,87],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],1005010766,[22,23,24,25],"k-最近邻(K-NN)是一种无监督式的学习算法","SVM既能够最大化经验损失又能够最小化几何间距","逻辑回归常应用于经济预测、疾病自动诊断、点击率预估以及推荐系统等任务中","随机森林算法从原数据集中无放回地抽取多个样本,对抽取的样本先用弱分类器(也就是决策树)进行训练,然后把这些决策树组合在一起,最终通过投票得出分类或预测结果","以下描述正确的是()","v2",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],1005010824,[33,34,35,36],"分组,样本","抽样,分类","分组,分类","抽样,分组","直方图的横轴为对分析类别的(),横轴宽度表示各组的组距,纵轴代表每级()数量的多少",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],1005010867,[42,43,44,45],"Choose—filters—unsupervised—attribute--Adduserfields","Choose—filters—supervised—attribute--Adduserfields","Choose—filters—supervised—instance--Adduserfields","Choose—filters—unsupervised—instance--Adduserfields","以天气数据集(weather.numeric.arff)为例,要添加一列新的属性叫"心情",分类三类:好(good),不好(bad),一般(normal),利用AddUserFields过滤器步骤为()",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],1005010895,[51,52,53,54],"三水区","其他","高明","以上都不是","IF STARTWITH('三水区西南街道西门路23号') THEN '三水区' ELSE '其他' END,返回()",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],1005010976,[60,61,62,63],"2","3","4","5","FINDNTH('HELLO','L',2),返回()",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],1005010996,[69,70,71,72],"复式条形图","直方图","堆叠条形图","多变量箱线图","能在输出图形中直接转换马赛克图的是()",{"answer":75,"createTime":5,"id":6,"options":76,"question":16,"source":27,"type":77},[],[8,9,10,11,12],1,{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":27,"type":28},[],1005011036,[82,83,84,85],"Tools|SetData","View|Zoom Out","View|Zoom In","Tools|Layout","在贝叶斯网络编辑界面时,如果节点的名称没法完全显示,需要从哪个菜单项进行调整",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":27,"type":28},[],1005011049,[91,92,93,94],"Shift键","Ctrl键","功能键F2","按住鼠标左键,拖动进行选择区域","WEKA中编辑神经网络节点时,如果要想选择多个节点,需要使用( )"]