1目录SAS基础..........................................................................................................................................2创建数据集...............................................................................................................................2其他软件产生的标准格式文件与SAS数据集之间的互相转换。..............................2从外部文件(文本文件)读取数据..................................................................................2排序...................................................................................................................................4计算产生新变量...............................................................................................................4数据集的拆分...........................................................................................................................4数据集的合并...........................................................................................................................5纵向连接...........................................................................................................................5横向合并...........................................................................................................................5计量资料的描述...............................................................................................................................6计算几何均数...........................................................................................................................6制作频数表...............................................................................................................................6单变量描述...............................................................................................................................7多变量描述...............................................................................................................................8两样本均数的比较...........................................................................................................................9单一总体均数的可信区间.......................................................................................................9两总体均数相差的可信区间...................................................................................................9单样本均数的t检验..............................................................................................................10原始数据已知-ttest..................................................................................................10原始数据未知.................................................................................................................10配对资料两样本均数比较的t检验......................................................................................11MEANS.............................................................................................................................12UNIVARIATE.................................................................................................................12TTest.............................................................................................................................12成组资料两样本均数比较的t检验............................................................
