iml初学,运行一个简单的程序,
proc iml;
use total;
show contents;
read all into wqxishu;
row=wqxishu[,+];
col=wqxishu[+,];
ave=wqxishu[:,:];
effect=row/ave;
feel=col/ave;
print row col ave effct feel;
quit;
总是出现ERROR: Matrix EFFCT has not been set to a value.
找不到原因,请高手帮忙解答,多谢!