%macro hpforestStudy (nVarsList=216,maxTrees=100);
%let nTries = %sysfunc(countw(&nVarsList.));
%do i = 1 %to &nTries.;
%let thisTry = %sysfunc(scan(&nVarsList.,&i));
proc hpforest data=luojiku.sas_sample;
input 变量1 变量2 .....；
target label/level=binary;
ods output fitstatistics=fitstats_vars&thisTry. ;
run;
data fitstats_vars&thisTry.;
length varsToTry $ 8;
set fitstats_vars&thisTry.;
varsToTry = "&thisTry.";
run;
proc append base=fitStats data=fitstats_vars&thisTry.;
run;
%end;
%mend hpforestStudy;
%hpforestStudy(nVarsList=100 140 180 all,maxTrees=100);
%em_register(type=Data,key=fitstats);
data &em_user_fitstats;
set fitstats;
run;
%em_report(viewType=data,key=fitstats,autodisplay=y);
%em_report(viewType=lineplot,key=fitstats,x=nTrees,y=miscOOB,group=varsToTry,description=Out of Bag Misclassification
Rate,autodisplay=y);


红色部分报错，这三个错误怎么排除呢？