Documentation Example 7 for PROC BCHOICE
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: BCHCEX7 */
/* TITLE: Documentation Example 7 for PROC BCHOICE */
/* Predict the Choice Probabilities */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: */
/* PROCS: BCHOICE */
/* DATA: */
/* */
/* SUPPORT: Amy Shi */
/* REF: PROC BCHOICE, EXAMPLE 7 */
/* MISC: */
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data Chocs;
input Subj Choice Dark Soft Nuts;
datalines;
1 0 0 0 0
1 0 0 0 1
1 0 0 1 0
1 0 0 1 1
1 1 1 0 0
1 0 1 0 1
1 0 1 1 0
1 0 1 1 1
2 0 0 0 0
2 0 0 0 1
2 0 0 1 0
2 0 0 1 1
2 0 1 0 0
2 1 1 0 1
2 0 1 1 0
2 0 1 1 1
3 0 0 0 0
3 0 0 0 1
3 0 0 1 0
3 0 0 1 1
3 0 1 0 0
3 0 1 0 1
3 1 1 1 0
3 0 1 1 1
4 0 0 0 0
4 0 0 0 1
4 0 0 1 0
4 0 0 1 1
4 1 1 0 0
4 0 1 0 1
4 0 1 1 0
4 0 1 1 1
5 0 0 0 0
5 1 0 0 1
5 0 0 1 0
5 0 0 1 1
5 0 1 0 0
5 0 1 0 1
5 0 1 1 0
5 0 1 1 1
6 0 0 0 0
6 0 0 0 1
6 0 0 1 0
6 0 0 1 1
6 0 1 0 0
6 1 1 0 1
6 0 1 1 0
6 0 1 1 1
7 0 0 0 0
7 1 0 0 1
7 0 0 1 0
7 0 0 1 1
7 0 1 0 0
7 0 1 0 1
7 0 1 1 0
7 0 1 1 1
8 0 0 0 0
8 0 0 0 1
8 0 0 1 0
8 0 0 1 1
8 0 1 0 0
8 1 1 0 1
8 0 1 1 0
8 0 1 1 1
9 0 0 0 0
9 0 0 0 1
9 0 0 1 0
9 0 0 1 1
9 0 1 0 0
9 1 1 0 1
9 0 1 1 0
9 0 1 1 1
10 0 0 0 0
10 0 0 0 1
10 0 0 1 0
10 0 0 1 1
10 0 1 0 0
10 1 1 0 1
10 0 1 1 0
10 0 1 1 1
;
data DesignMatrix;
input Dark Soft Nuts;
datalines;
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
;
proc bchoice data=Chocs outpost=Bsamp nmc=10000 thin=2 seed=124;
class Dark(ref='0') Soft(ref='0') Nuts(ref='0') Subj;
model Choice = Dark Soft Nuts / choiceset=(Subj);
preddist covariates=DesignMatrix nalter=8 outpred=Predout;
run;
%SUMINT(data=Predout, var=Prob_1_:)
