簡單線性迴歸 (Simple Linear Regression)

簡單線性迴歸 (Simple Linear Regression)

資料如附檔

SAS Codes：

LIBNAME lib EXCEL "D:\SasData\jsp.XLSX" ;

data a; set lib."jsp2$"N; run;

/*Simple linear regression*/

proc print; run;

ods graphics on;

 proc reg data=a;

    model math_yr_3 = math_yr_1/spec;

      output out=a1 p=predict r=residual;

 run;

ods graphics off;

proc sgplot data=a;

  reg x=math_yr_1 y=math_yr_3;

run;

proc univariate data=a1 normal plot;

var residual;

run;

資料來源：
http://www.bristol.ac.uk/cmm/

資料下載：https://www.dropbox.com/s/hl0h1uqkin44gtf/jsp.xlsx