目  录

§1.  SAS系统简介 ................................................................................ 1
一．SAS简介................................................................................... 1
二．SAS学习的资源........................................................................... 2
三．SAS的使用 ................................................................................ 3
四．SAS文件与逻辑库........................................................................ 4
§2.  SAS编程基础 ................................................................................ 6
一．SAS编程初步.............................................................................. 6
1．SAS程序组件介绍.................................................................... 6
2．SAS程序特征及格式................................................................. 7
3．SAS表达式............................................................................ 9
4．函数 .................................................................................. 11
二．SAS数据集及其创建 ................................................................... 13
1．用VIEWTABLE窗口输入数据 .................................................... 14
2．用SAS编程读取数据............................................................... 14
三．用在DATA步的文件操作语句 ......................................................... 17
1． SET语句............................................................................ 17
2．by语句............................................................................... 18
3. 数据集的串联与合并 ............................................................... 20
4．Update语句 ........................................................................ 22
四、用在DATA步的运行语句............................................................... 22
１．赋值语句............................................................................ 22
２．累加语句............................................................................ 23
３．DELETE语句....................................................................... 23
4．WHERE语句........................................................................ 23
5．OUTPUT语句(输出语句).......................................................... 24
五．用在DATA步的控制语句............................................................... 24
1. Select语句........................................................................... 24
2. If-Then 和 If-Then/Else语句................................................... 25
3. 循环语句............................................................................. 26
六．用在DATA步中的信息语句............................................................ 27
１．ARRAY语句(数组语句)数组..................................................... 27
２．INFORMAT语句(输入格式语句)................................................ 29
３．FORMAT语句(格式语句) ........................................................ 29
４．LENGHT语句(长度语句)......................................................... 30
５．LABEL语句(标记语句) ........................................................... 30
６．ATTRIB语句(属性语句).......................................................... 31
7．DROP语句(删除语句) ............................................................. 31
8．KEEP语句(保存语句).............................................................. 32
9．RETAIN语句(保留语句) .......................................................... 32
10．RENAME语句(换名语句) ....................................................... 32
七．全程语句(用在任何地方的SAS语句)................................................. 32
１．COMMENT语句(注释语句)...................................................... 32
2．TITLE语句(标题语句) ............................................................. 32
3．FOOTNOTE语句(脚注语句)...................................................... 33
4．RUN语句(运行语句) ............................................................... 33
5．ENDSAS语句(结束语句) ......................................................... 33
6．LIBNAME语句(库名字语句)...................................................... 33
7．FILENAME语句(文件名语句) .................................................... 33
8．％INCLUDE语句................................................................... 33
9．OPTIONS语句(设置SAS系统选择项语句)..................................... 34
常用过程步介绍...............................................................................35
一．过程步介绍 .............................................................................. 35
二．过程步中通常的一些语句.............................................................. 35
三．统计分析常用过程步.................................................................... 35
1．UNIVARIATE过程................................................................. 35
2．CHART过程......................................................................... 37
3．PLOT过程 ........................................................................... 38
4．FREQ过程........................................................................... 38
5．MEANS过程 ........................................................................ 39
6．SUMMARY过程 .................................................................... 40
7．SURVEYSELECT过程............................................................. 41
8．CONTENTS过程................................................................... 42
9．PRINT过程.......................................................................... 42
10．SORT过程......................................................................... 43
11．TRANSPOSE过程................................................................ 43
12．RANK 过程 ....................................................................... 44
13．COMPARE过程................................................................... 46
14．FORMAT过程..................................................................... 47
15．TABULATE过程 .................................................................. 50
SAS编程提高 .................................................................................57
一、SAS宏编程 .............................................................................. 57
1．宏变量 ............................................................................... 57
2．自定义宏变量 ....................................................................... 57
3．宏函数 ............................................................................... 57
4．宏程序 ............................................................................... 58
5. 在宏中使用选择或循环............................................................. 58
6. 宏编程举例：........................................................................ 59
二、Proc SQL查询和加工数据............................................................. 62
1．有关概念............................................................................. 62
2．数据的查询.......................................................................... 63
3．多表并接............................................................................. 64
4．多表串接............................................................................. 66
5．Proc SQL语法格式 ................................................................ 67
§5. 常用统计分析过程............................................................................70
一、PROC REG.............................................................................. 70
二、Proc Surveyreg ....................................................................... 79
三、Proc Princomp......................................................................... 80
四、Proc Factor ............................................................................. 81