數學之路-sas備忘(7),數學之路-sas備忘

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數學之路-sas備忘(7),數學之路-sas備忘

顯示變數名

libname saslib "H:\ sas";

/*varnum表示按觀測位置排序變數名,預設為按字母順序*/

data saslib.Student;

      input name $ Age Score;

        datalines;

李四 25 85.6

王五 27 98.12

張三 30 78

;

proc contents varnum data=saslib.Student;

run;

 

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顯示已經存在的資料集的變數名

libname saslib "H:\sas";

/*varnum表示按觀測位置排序變數名,預設為按字母順序*/

proc contents varnum data=saslib.Student;

run;


下面的name和score後面的數字表示從哪些列取值

libname saslib "H:\sas";

data saslib.test2;

  input id$

        name$ 3-11

        score 15-18 ;

datalines;

1 zhangsan25 98.2

2 lisi     29 78.5

3wangwu   26 87.9

;

run;

title "學生";

proc printdata=saslib.test2;

run;


 

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