proc import out=ep
datafile='d:\实验数据\sysj.xls'
dbms=excel2003 replace;
range='填充缺失数据$';
sheet="sheet1$";
getnames=yes;
title 'Reading in data using proc import';
run;
proc princomp data=ep out=ep1 outstat=ep2 standard
proc corr data=ep1;
var _col2-_col22;
with print1-print4;
run;



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