SAS--proc print data=

　

libname clinic 'D:\SAS'; 
data clinic.admitfee;
　　set sasueser.admit;
run;

proc sort data=clinic.admitfee  out=admit;  /*proc 排序 排誰 輸出到哪lib.name*/
by age;
run;

proc print data=admit label;  /*打印 打誰 label？*/
var age height weight fee;   /*變量 1 2 3 4 */
label fee='admission fee'; /* 更換變量名*/
run;

proc print data=admit noobs; /*no obs 取消顯示observations*/
var age height;
where age>30;  /*where 給變量指定一個條件*/
run;           /*character必須要加引號，區分大小寫*/

proc print data=admit;
id id;   /*id 用后面的變量（可以不是一個）取代obs*/
run;    /*當id后面的變量 和 var 后面的重復，那么這個變量會出現2次*/

？    data work.admit2;  *創建數據集名稱，位置;
　　　　    set sasuser.All; *引用該數據集;
　　　　run;

ods listing;
proc print data=work.admit2;
    where location contains 'all'; *變量location中contains all 子字符串的觀察單位;
run;    
                           *contains 可以用 ?  代替;
proc print data=admit;
    where age>30 and age<50;   *邏輯關系 AND or & , OR or |;
run;

proc print data=admit;
    where age<30 or( age>50 and sex='M');   *邏輯關系 AND or & , OR or |;
run;

PROC PRINT DATA=ADMIT;
    WHERE ACTLEVEL IN ('LOW','MOD');  * in 使得表達簡潔;
run;

proc sort data=clinic.admit out=wdadmit; 
        by weight age;            *根據先weight后age排序，默認升序;
run;

proc print data=wdadmit;
run;

proc sort data=clinic.admit out=dwdadmit;
    by descending weight  descending age; *降序
run;
proc print data=dwdadmit;
run;

proc print data=admit;
    var name age height weight fee;
    where actlevel='LOW';
    sum fee;      * 給變量求和，並創建新的一行;
run;

proc sort data=clinic.admit out=admit;
　　by actlevel;
run;
proc print data=admit;
　　sum fee;
by actlevel; *按照分類變量求和，必須現根據該分類變量排序;
run;

proc sort data=clinic.admit out=admit;
by actlevel; 
run;

proc print data=admit;
sum fee;
by actlevel; *按照分類變量求和，必須現根據該分類變量排序;
run;

proc print data=admit;
sum fee;
by actlevel; *使用by 和 id聯合使用，自定義layout,考慮id的作用;
id actlevel;
run;

proc print data=admit;
sum fee;
by actlevel; 
id actlevel;
pageby actlevel; *pageby后面的變量，必須在by中被指定;
run;
proc print data=admit double; *兩倍行距;
sum fee;
run;

title1 'Heart Rates for Patients with'; *數字可以說是1-10;
title11 'Increased Stress Tolerance Levels';
proc print data=admit;
run;

footnote1 'Data from Treadmill Tests';
footnote3 '1st Quarter Admissions';
proc print data=admit;
run;

title; *取消title和footnote;
footnote; *默認的title是SAS程序;
proc print data=admit;
run;

proc print data=admit label ; *臨時的給變量名加label;
label fee='total fee'; * 'total fee'n ='fee' 有空格的情況;
run;
proc print data=admit label;
label fee='total fee' sex='gender'; 
run;　　

 

proc print data=clinic.admit;
var actlevel fee;
where actlevel='HIGH';
format fee dollar4.; *format 臨時的改變數據的顯示格式;
run;
proc print data=clinic.admit;
var actlevel fee;
where actlevel='HIGH';
format fee 5.2;
run;

 

 

 

 永久的修改這些變量

data clinic.admit;
set sasuser.admit;
label fee='tatal fee';
run;

proc print dara=clinic.admit label;  *!!!print 時仍需要label;
run;

 

proc print data=admit split='*';
label fee='f*e*e';                *將變量名按照特殊的格式分開;
run;

label \double\noobs 需要在print里

proc sort  out

by