来自proc逻辑的SAS ROC曲线的OUTPUT AUC

Question

我想保存多个ROC分析的AUC值，并将它们附加在一起，这样我就可以快速获得哪个变量组合的AUC最大值的列表。

我不知道如何输出AUC值，但我只能输出roc统计数据。

 ODS GRAPHICS ON;
    PROC LOGISTIC data = dataset PLOTS(only) = (roc(id = obs) effect);
       CLASS outcome ;
       MODEL outcome = var / scale = none 
                       clparm = wald
                       clodds = pl
                       rsquare OUTROC= RocStats;
    RUN;    
 ODS GRAPHICS OFF;

Answer 1

AUC值在下面的数据集AUC中的变量Area中：

PROC LOGISTIC DATA = SASHELP.CLASS;
    CLASS SEX;
    MODEL SEX = HEIGHT WEIGHT / OUTROC = ROC;
    ROC;
    ODS OUTPUT ROCASSOCIATION = AUC;
RUN;
TITLE "AUROC";
PROC PRINT DATA=AUC NOOBS LABEL;
    WHERE ROCMODEL = 'Model';
    VAR AREA;
RUN;