Friday, July 11, 2025
Tuesday, August 19, 2025
Friday, July 11, 2025
问题:什么是“第二类错误(Type Ⅱ error)”?...
Tuesday, August 19, 2025
Tuesday, August 19, 2025
Tuesday, August 19, 2025
Tuesday, August 19, 2025
问题:Factor(因素分析)过程与PRINCOM(主成分分析)过程有何异同之处?...
Tuesday, August 19, 2025
Tuesday, August 19, 2025
Tuesday, August 19, 2025
Tuesday, August 19, 2025
Tuesday, August 19, 2025
Wednesday, July 9, 2025
问题:SAS用什么命令定义变量标签?变量标签处于程序的第几行?...
Tuesday, August 19, 2025
Tuesday, August 19, 2025
问题:试说命令TABLE id1*sex*edc中3个变量的作用。...
Friday, July 11, 2025
Tuesday, August 19, 2025
Tuesday, August 19, 2025
Tuesday, August 19, 2025
Friday, July 11, 2025