huadli
可以用 proc tpspline 来拟合 半参数和非参数回归模型 你查看sas onlinedoc 中的proc tpspline 过程步就有实例。
如拟合下面的f(x1, x2) = 1 + x1 + x12 + h(x2) 这个半参数模型
data Measure;
set Measure;
x1sq = x1*x1;
run;
data pred;
do x1=-1 to 1 by 0.1;
do x2=-1 to 1 by 0.1;
x1sq = x1*x1;
output;
end;
end;
run;
proc tpspline data= measure;
model y = x1 x1sq (x2);
score data = pred
out = predy;
run;