Data belanja;
input pendidikan pendapatan belanja pendidikan_biner c2 c3;
cards;
1 7 1 0 0 0
3 8 1 1 0 1
3 6 1 1 0 1
2 5 1 0 1 0
1 6 1 0 0 0
3 5 1 1 0 1
3 7 1 1 0 1
1 8 1 0 0 0
1 5 1 0 0 0
3 4 1 1 0 1
3 6 1 1 0 1
2 7 1 0 1 0
3 7 1 1 0 1
2 6 1 0 1 0
1 7 1 0 0 0
1 4 0 0 0 0
3 3 0 1 0 1
2 5 0 0 1 0
1 4 0 0 0 0
1 3 0 0 0 0
3 4 0 1 0 1
1 3 0 0 0 0
2 5 0 0 1 0
1 4 0 0 0 0
3 3 0 1 0 1
1 5 0 0 0 0
1 3 0 0 0 0
1 6 0 0 0 0
3 3 0 1 0 1
2 4 0 0 1 0
;
run;

*Model Numerik;
proc logistic data = belanja descending;
model belanja = pendidikan pendapatan /expb rsquare lackfit;
run;

*Model Nominal;
proc logistic data = belanja descending;
model belanja = c2 c3 pendapatan /expb rsquare lackfit;
run;

*Model Biner;
proc logistic data = belanja descending;
model belanja = pendidikan_biner pendapatan /expb rsquare lackfit;
run;

*Model Interaksi Numerik;
proc logistic data=belanja descending;
model belanja = pendidikan pendapatan pendidikan*pendapatan /
expb rsquare lackfit;
run;

*Model Interaksi Biner;
proc logistic data=belanja descending;
model belanja = pendidikan_biner pendapatan pendidikan_biner*pendapatan /
expb rsquare lackfit;
run;