Example 4 for PROC REG
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: regex4 */
/* TITLE: Example 4 for PROC REG */
/* DATA: Insurance */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: Qualitative variables */
/* PROCS: REG */
/* */
/* SUPPORT: Robert Cohen */
/****************************************************************/
title 'Regression with Quantitative and Qualitative Variables';
data insurance;
input time size type @@;
sizetype=size*type;
datalines;
17 151 0 26 92 0 21 175 0 30 31 0 22 104 0 0 277 0 12 210 0
19 120 0 4 290 0 16 238 0 28 164 1 15 272 1 11 295 1 38 68 1
31 85 1 21 224 1 20 166 1 13 305 1 30 124 1 14 246 1
;
proc reg data=insurance;
model time = size type sizetype;
run;
delete sizetype;
print;
run;
output out=out r=r p=p;
run;
proc sgplot data=out;
scatter x=p y=r / markerchar = type group=type;
run;
proc sgplot data=out;
scatter x=size y=p / markerchar=type group=type;
run;