摘要: sas数据集和原始数据对于行列的不同叫法The rows in a SAS data set are calledobservations, and the columns are calledvariables. In a raw data file, the rows are calledrec... 阅读全文
posted @ 2014-06-14 13:23 暴走的豆浆 阅读(2500) 评论(0) 推荐(0) 编辑