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  • 【SAS BASE】FORMAT Statement及PROC FORMAT

    /*FORMAT语句*/
    1
    FORMAT Profit Loss DOLLAR8.2 Saledate MMDDYY8.; 2 PUT Profit DOLLAR8.2 LOSS DOLLAR8.2 Saledate MMDDYY8.;

    FORMAT语句指定每个变量具体的格式;
    这里特别要注意的是,FORMAT语句中,指定Profit和Loss同一个格式,为DOLLAR8.2.

    FORMAT过程

     1 DATA Carsurvey;
     2    INFILE 'c:myrawdatacars.dat';
     3    INPUT Age Sex Income color$;
     4 PROC FORMAT;
     5    VALUE gender 1='Male'
     6                         2='Female';
     7     Value agegroup 13-<20='Teen'
     8                             20<-65='Adult'
     9                             60-High='Senior';
    10     Value $ color 'W'='Moon White'    /*请注意此处$的位置*/
    11                        'B'='SKy Blue'
    12                         'Y'='Sunburst Yellow'
    13                         'G'='Rain cloud Gray';
    14 PROC PRINT DATA=Carsurvey;
    15     FORMAT Sex gender. Age agegroup. color $ col. Income Dollar8.;
    16     TITLE '...';
    17 RUN;

    备注:

    1.格式名要求:

    • 包括$在内,不能超过32个字符;
    • 不能以数字开头或结尾;
    • 不能包含下划线以外的字符;
    • 不能使已经存在的格式的名字。

    2. Value后面的Range的要求:

    • 字符型变量的值必须放在引号内;
    • 若要复制的range不止一个,可用逗号将他们隔开或用连号(-)表示连续的范围;
    • 关键词LOW和HIGH表示变量的最大值和最小值;
    • 可用关键词OTHER给VALUE语句中未分配的值分配格式.

    利用FORMAT过程来Grouping数据

     1 DATA Books;
     2     INFILE 'C:MyRawDataLibraryBooks.dat';
     3     INPUT Age BookType $ @@;
     4 RUN;
     5 
     6 *Define formats to group the data;
     7 PROC FORMAT;/*定义一个新的FORMAT*/
     8    VALUE agegap
     9               0-18 = '0 to 18'
    10               19-25= '19 to 25'
    11               26-49 ='26 to 49'
    12               50-HIGH= '50+';
    13    VALUE agegpb
    14               0-25 = '0 to 25'
    15               26-HIGH= '26+';
    16    VALUE $ typ
    17               ‘bio','non','ref'='Non-Fiction'
    18               'fic','mys','sci'='Fiction';
    19 RUN;
    20 
    21 *Create two way table with Age grouped into four catefories;
    22 PROC FREQ DATA=books;
    23     TITLE 'patron age by book type: four age group';
    24     TABLES BookType*Age/NOPERCENT NOROW NOCOL;
    25     FORMAT Age agegap. BookType $ typ.;/*引用自定义的格式*/
    26 RUN;
    27 
    28 *Create two way table with Age grouped into two catefories;
    29 PROC FREQ DATA=books;
    30     TITLE 'patron age by book type:Two age group';
    31     TABLES BookType*Age/NOPERCENT NOROW NOCOL;
    32     FORMAT Age agegab. BookType $ typ.;/*引用自定义的格式*/
    33 RUN;
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  • 原文地址:https://www.cnblogs.com/chenyn68/p/3866123.html
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