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SAS Code Fragments
Running Logistic Regression with a Labeled Outcome Variable

data test;
  input drunk x;
cards;
1 0
1 3
1 5
0 3
0 4
0 2
;
run;

proc logistic data=test descending;
  model drunk = x;
run;

* NOTE THAT WHEN "drunk" is labeled, the results get reversed!!! ;
proc format ;
  value drunklab 0="not drunk" 1="drunk";
run;
 
data test2;
  set test;
  format drunk drunklab.;
run;

proc logistic data=test2 descending  ;
  model drunk = x;
run;

* NOTE USING order=internal makes SAS use numbers as basis for ordering ;
proc logistic data=test2 descending  order=internal  ;
  model drunk = x;
run;

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