SAS 区间函数 INTNX 和 INTCK INTCK/INTNX 可以对date \ datetime\time 格式的时间进行计算,可以使用SASriqi进行日历计算,可以按照间隔递增计算日期, 也可以计算日期之间的时间间隔 INTNX(interval,start-from,increment<,alignment>); 按间隔递增时间,不设置format则返回的是数值形式
Hi, I test the the numeric format and the date format used in intnx funtion, and found the results are the same . why? if it's meanless , what is the usage of date formate? I also dont understand the underlying rule of intnx function, how could it realize the time with...