rsreg6_19.sas

黄燕 吴平《SAS统计分析及应用》 书中一些例子的SAS程序代码

PROC REG data=data_prg.reg6_19;
MODEL y=x1-x4/selection=stepwise NOINT;
MODEL y=x1 x3 x4/NOINT P R collin;
RUN;
data data_prg.reg6_19c;
set data_prg.reg6_19;
x11=x1*x1; x22=x2*x2; x33=x3*x3; x44=x4*x4;
run;
PROC REG data=data_prg.reg6_19c;
MODEL y=x1-x4 x11 x22 x33 x44/selection=stepwise NOINT;
MODEL y=x1 x3 x4 x33 /selection=stepwise NOINT P R collin;
RUN;
DATA reg6_19d;
set data_prg.reg6_19c;
IF _N_=17  or _N_=21 THEN DELETE;
PROC REG data=reg6_19d;
MODEL y=x1 X3 x4 x33 /NOINT P R collin;
RUN;