sas简单使用

不区分大小写
libname diabete ‘C:\Users\lenovo\Desktop\sas_program‘; /*diabete ：自己起的逻辑库名字*/
data diabete.diabetes_female;                         /*diabetes_female：自己起的表名*/
set diabete.diabetes(keep=id sex age);　　　　　　    /*diabetes：使用的表名，也就是数据来源，
                                                     keep:需要保留的字段， drop：舍弃的，默认是全有的*/ 
　　length Group $ 8                                /* length：变量起名，group：自己起的字段名，8字符*/
   if age>=55 then group=‘Seniors‘;                /*if then else*/
   else group=‘Under 55‘;
price = 44.7                                       /*常量正常赋值*/
run;

   /*************************************/
   /* set system options for report     */
   /*************************************/
options nodate nonumber; 
   /*************************************/
   /* create temporary data set         */
   /*************************************/
data test;
   Time1=86399;
   format Time1 datetime.;
   Date1=86399;
   format Date1 date.;
   Time2=86399;
   format Time2 timeampm.;
   Date1Month=month(Date1);
run;
   /*************************************/
   /* print data set                    */
   /*************************************/
proc print data=test noobs;
   title ‘Same Number, Different SAS Values‘;
   footnote1 ‘Time1 is a SAS DATETIME value.‘;
   footnote2 ‘Date1 is a SAS DATE value.‘;
   footnote3 ‘Time2 is a SAS TIME value.‘;
   footnote4 ‘Date1Month is the numeric month for Date1.‘;
run;

   /*************************************/
   /* clear any titles and footnotes    */
   /* in effect          实际没看出差别         */
   /*************************************/
title;
footnote;
 

/*************************************/
   /* set system options for report     */
   /*************************************/
options nodate pageno=1 linesize=64 pagesize=60;

   /*************************************/
   /* sort the data and create a        */
   /* temporary output data set         */
   /*************************************/
proc sort data=pilots out=tempemp;
   by jobcode gender;
run;
       
   /*************************************/
   /* print the sorted data set         */
   /*************************************/
proc print data=tempemp split=‘*‘;
   id jobcode;
   by jobcode;
   var gender salary;
   sum salary;
   label jobcode=‘Job Code*========‘
         gender=‘Gender*======‘
         salary=‘Annual Salary*=============‘;
   format salary dollar11.2;
   where jobcode in (‘PT1‘,‘PT2‘);
   title ‘Expenses Incurred for‘;
   title2 ‘Salaries for Pilots‘;    
run;