SAS二元线性回归语法

vivi123

DATA new;
    INPUT x1 x2 y@@;
    label x1="Ca2+" X2="NO3-" Y="盐分";
    CARDS;
0.048832474 0.032101607 0.457673837
0.077294211 0.127819725 0.629249714
0.115034364 0.29364619 0.85353529
0.287133333 0.458430952 1.154862619
0.28625 0.474006607 1.156871205
PROC REG SIMPLE;
   MODEL y=x1 x2/STB CLM CLI;
RUN;