请写一段SAS程序结合编码后的PTterm核查相同PTterm的AE是否有时间重叠

由于没有提供PTterm的编码方式，以下程序只是提供一个结构框架，需要根据实际情况进行修改和补充。

/* 导入数据 */ data AE; infile 'AE_data.txt' dlm=','; input subject_id $ AEterm $ AE_start_date : mmddyy10. AE_end_date : mmddyy10.; format AE_start_date mmddyy10. AE_end_date mmddyy10.; run;

/* 对AEterm进行编码 / data AE_encoded; set AE; / 根据实际情况进行编码 / / 例如，将每个AEterm映射为一个数字 */ run;

/* 根据编码后的AEterm，查找相同AEterm的时间重叠情况 */ proc sql; create table AE_overlap as select a.subject_id, a.AEterm, a.AE_start_date, a.AE_end_date, b.subject_id, b.AEterm, b.AE_start_date, b.AE_end_date from AE_encoded as a inner join AE_encoded as b on a.AEterm = b.AEterm and a.subject_id = b.subject_id and a.rowid < b.rowid where (a.AE_start_date <= b.AE_end_date and a.AE_end_date >= b.AE_start_date); quit;

/* 输出结果 */ proc print data=AE_overlap; title '相同AEterm的时间重叠情况'; run;