proc import out=AF_Forecast0
datafile="E:\DATA\分析师跟踪\AF_Forecast0.csv"
dbms=csv replace;getnames=yes; datarow=3;run;
proc import out=AF_Forecast1
datafile="E:\DATA\分析师跟踪\AF_Forecast1.csv"
dbms=csv replace;getnames=yes; datarow=3;run;
proc import out=AF_Forecast2
datafile="E:\DATA\分析师跟踪\AF_Forecast0.csv"
dbms=csv replace;getnames=yes; datarow=3;run;
/*问题出现在这一步*/
data AF_Forecast_all1;set AF_Forecast0 AF_Forecast1 AF_Forecast2;
run;