有用过proc glmselect的大师吗?
有个问题想请教一下,为什么每次可以纳入的变量数都不能超过3000?
超过3000,会提醒:ERROR: Selection aborted because there are no suitable observations for training.
Observation Profile for Analysis Data
Number of Observations Read 500
Number of Observations Used 0
Number of Observations Used for Training 0
Observation Profile for Validation Data
Number of Observations Read 500
Number of Observations Used 0
Observation Profile for Test Data
Number of Observations Read 500
Number of Observations Used 0
原始代码如下:
proc glmselect testdata=train valdata=test;
model y=x1-x10000/selection=elasticnet(stop=none L2=0.1 choose=validate) cvmethod=random(10);
run;
初学SAS,应该怎么调整呢?应该纳入10000才对,谢谢