yyexa510.sas

来自「高老师的经典多元统计分析教材源代码非常经典使用」· SAS 代码 · 共 61 行

/*  yyexa510.sas  */


data data510;
    input x1-x4 type;
    cards;
   6.0    -11.5    19     90      1
 -11.0    -18.5    25    -36      3
  90.2    -17.0    17      3      2
  -4.0    -15.0    13     54      1
   0.0    -14.0    20     35      2
   0.5    -11.5    19     37      3
 -10.0    -19.0    21    -42      3
   0.0    -23.0     5    -35      1
  20.0    -22.0     8    -20      3
-100.0    -21.4     7    -15      1
-100.0    -21.5    15    -40      2
  13.0    -17.2    18      2      2
  -5.0    -18.5    15     18      1
  10.0    -18.0    14     50      1
  -8.0    -14.0    16     56      1
   0.6    -13.0    26     21      3
 -40.0    -20.0    22    -50      3
  -8.0    -14.0    16     56      .
  92.2    -17.0    18      3      .
 -14.0    -18.5    25    -36      .
;
proc print;
run;



proc  discrim  data=data510 distance list;
  class type;
  var x1-x4;
run;

proc  discrim  data=data510 pool=test distance list;
  class type;
  priors proportional;
  var x1-x4;
run;

proc stepdisc  data=data510 simple sle=0.18 sls=0.18 ;
  class type;
  var x1-x4;
run;
proc discrim data=data510  list;
  class type;
  var x2 x4;
run;

proc  stepdisc  data=data510 ;
  class type;
  var x1-x4;
run;
proc discrim data=data510  list;
  class type;
  var x3 x4;
run;