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我正在將數據集附加到另一個數據集,然後對基本數據集進行排序。附加到數據集後的SAS proc排序返回錯誤
proc append base=&RAWDATA data=GAPDATA;
run;
proc sort data=&RAWDATA; by Symbol Date Time; run;
但SAS會一直返回錯誤消息:錯誤:除非使用FORCE選項,否則索引數據集不能排序。
完整的代碼,我用:
%MACRO GAP_SEC(RAWDATA);
data GAPDATA;
SET &RAWDATA;
retain SYMBOL DATE TIME BB BO MIDPRICE;
LAG_SYMBOL = lag(SYMBOL);
LAG_DATE = lag(DATE);
LAG_TIME = lag(TIME);
LAG_BB = lag(BB);
LAG_BO = lag(BO);
LAG_MIDPRICE = lag(MIDPRICE);
TIME_DIFF = intck('second', LAG_TIME, TIME);
if TIME_DIFF > 1 and SYMBOL = LAG_SYMBOL and DATE = LAG_DATE then
DO;
n=TIME_DIFF;
TIME = LAG_TIME;
DO WHILE(N>1);
SYMBOL = LAG_SYMBOL;
TIME = intnx('second',TIME,1);
DATE = LAG_DATE;
BB = LAG_BB;
BO = LAG_BO;
MIDPRICE = LAG_MIDPRICE;
output;
N=N-1;
END;
END;
drop LAG_SYMBOL LAG_DATE LAG_TIME LAG_BB LAG_BO LAG_MIDPRICE TIME_DIFF N;
run;
/* Add new obs to original data set */
proc append base=&RAWDATA data=GAPDATA;
run;
proc sort data=&RAWDATA; by Symbol Date Time; run;
proc export data=&RAWDATA (obs=99999)
outfile= 'FILLEDDATA.csv'
dbms=CSV REPLACE;
putname=YES;
run;
%mend;
我想知道是什麼這樣的問題的原因是什麼?
我使用了強制選項。 –