SAS编程技术教程（朱世武）数据

书中所涉及的，诸如此下类似的原始数据，sas数据格式hstocdshrsdtshrout20021998-7-1010062408020021998-7-1411068650020021998-7-1511068648820021998-12-211068648820021999-8-611068648820021999-8-1012175513620022000-2-1612175513620032000-8-257423680220111996-8-226145930020121998-1-622300795620122001-8-1329905254620131995-9-15