·2,447,543篇论文数据,部分数据来源于NoteExpress
It is very important to divide the missing data into three manners: missing at random (MAR), missing not at random (MNAR) and missing completely at random (MCAR).
将数据缺失方式划分为随机缺失,非随机缺失与完全随机缺失,这对于合理编写缺失数据推估程序,正确选用估算方法有很重要的意义。
youdao
应用推荐
模块上移
模块下移
不移动