1. 統計學與資料分析
SAS實習課 11/29

2. 改進program及output的方法
Title
Data statement
System options

3. 改進program及output的方法
Title
Data statement
System options

4. Comment Statement
註解、修改程式

5. *message;
/*message*/

6. 「*message;」
CODE
1. data a;
OUTPUT
2. input age sex $;
3. datalines;
4. 7M
5. 2 F
6. 5M
7. ;
8. proc print; *test;
9. Run;

7. 「*message;」限制：
CODE
1. data a;
2. input *test’;’ ; age sex $; 不能包含其他的
3. datalines;
4. 7M 分號「;」，
5. 2 F 或不成對的引號
6. 5M
7. ; 「‘」、「“」
8. proc print;
9. Run;

8. 「*message;」限制：
CODE
1. data a; LOG
2. input *test’;’ ; ERROR: The name test’ is not a valid SAS
name.
age sex $; ERROR 22-322: Syntax error, expecting
3. datalines; one of the following: a
name, arrayname, #, (, +, /, //, ;, @, @@.
4. 7M
ERROR 180-322: Statement is not valid or
5. 2 F it is used out of proper order.
6. 5M
ERROR 202-322: The option or parameter
7. ; is not recognized and will be ignored.
8. proc print;
9. Run;

9. 「/*message*/」
CODE
1. data a;
OUTPUT
2. input age sex $;
3. datalines;
4. 7M
5. 2 F
6. 5M
7. ;
8. proc print; /*test*/
9. Run;

10. 「/*message*/」
相較於「*message;」，
「/*message*/」能使SAS忽略所有的內容物

11. 「*message;」vs. 「/*message*/」
CODE CODE

12. TITLE Statement
TITLE <n> <'text' | "text">;

13. TITLE Statement
CODE OUTPUT
1. data a;
2. input age sex $;
3. datalines;
4. 7M
5. 2 F
6. 5M
7. ;
8. proc print;
9. title1 "Title: Data";
10. title2 "Title: Age and
sex";

14. TITLE Statement
CODE OUTPUT
1. proc print;
2. title1 "Title: Data";
3. title2 "Title: Age and
sex";
4. proc means; OUTPUT
5. var age;
6. Run;

15. TITLE Statement
CODE
1. proc print;
2. title1 "Title: Data";
3. title2 "Title: Age and
sex";
4. proc means;
5. var age; OUTPUT
6. Title;
7. Run;

16. Data statement

17. Data statement
Data;
Data XXXX;
Data _null_; /*不建立dataset*/

18. Data statement
CODE
1. data a (keep=id age);
Data a (keep=var) 2. input id age sex $;
3. datalines;
Data a (drop=var) 4. 11 7 M
5. 12 2 F
6. 13 5 M
7. ;
8. proc print;
9. run;

19. Data statement
CODE
OUTPUT 1. data a (keep=id age);
2. input id age sex $;
3. datalines;
4. 11 7 M
5. 12 2 F
6. 13 5 M
7. ;
8. proc print;
9. run;

20. Data statement
Data New (firstobs=20);
Data New (obs=1000);
Data New (firstobs=20,obs=1000);

21. Data statement
CODE
1. data a;
2. input id age sex $;
OUTPUT
3. datalines;
4. 11 7 M
5. 12 2 F
6. 13 5 M
7. ;
8. data new;
9. set a (obs=2);
10. proc print
data=new;
11. id id;
12. run;

22. Data statement
CODE
1. data a;
2. input id age sex $; OUTPUT
3. datalines;
4. 11 7 M
5. 12 2 F
6. 13 5 M
7. ;
8. data new;
9. set a (firstobs=2);
10. proc print
data=new;
11. id id;
12. run;

23. CODE Data statement
1. data a;
2. input id age sex $;
3. datalines; OUTPUT
4. 11 7 M
5. 12 2 F
6. 13 5 M
7. 14 4 F
8. ;
9. data new;
10. set a
(firstobs=2,obs=3);
11. proc print
data=new;
12. id id;
13. run;

24. System Options
OPTIONS option(s);
http://support.sas.com/documentation/cdl/en/lrdict/64316/HTML/default/view
er.htm#a000309878.htm

25. System Options
(for output)
Center/nocenter Pagesize= n
Date/nodate Missing=
Number/nonumber Firstobs=n
Lable/nolable Obs=n
Linesize=n
http://www.ats.ucla.edu/stat/sas/modules/options.htm

26. option nodate
CODE
1. option nodate;
2. data a;
3. input id age sex $;
4. datalines;
5. 11 7 M
6. 12 2 F
7. 13 5 M
8. 14 . F
9. ;
10. proc print;
11. run;