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完整版答案:
- clear
- input long stkcd int year str27(提问时间 回答时间)
- 2 2011 "2012-03-14 15:07:26.0" "2012-03-14 16:04:47.0"
- 2 2011 "2012-03-14 15:01:06.0" "2012-03-14 16:11:49.0"
- 2 2011 "2012-03-14 15:31:47.0" "2012-03-14 17:19:47.0"
- 2 2011 "2012-03-14 15:51:37.0" "2012-03-14 16:51:15.0"
- 2 2011 "2012-03-14 15:10:38.0" "2012-03-14 17:09:33.0"
- 2 2011 "2012-03-14 16:07:33.0" "2012-03-14 17:10:51.0"
- 2 2012 "2013-02-28 17:59:19.0" "2013-03-01 15:15:41.0"
- 2 2012 "2013-02-28 17:57:00.0" "2013-03-01 15:26:34.0"
- 2 2012 "2013-03-01 16:19:46.0" "2013-03-01 16:37:47.0"
- 2 2012 "2013-03-01 16:18:07.0" "2013-03-01 16:53:24.0"
- 2 2012 "2013-03-01 15:30:16.0" "2013-03-01 16:15:12.0"
- 2 2012 "2013-03-01 15:29:27.0" "2013-03-01 15:48:58.0"
- 2 2012 "2013-03-01 15:45:07.0" "2013-03-01 17:05:37.0"
- 2 2012 "2013-02-28 17:55:00.0" "2013-03-01 15:17:39.0"
- 2 2012 "2013-03-01 15:51:23.0" "2013-03-01 16:20:44.0"
- 2 2012 "2013-03-01 15:46:06.0" "2013-03-01 16:05:06.0"
- 2 2012 "2013-03-01 15:28:15.0" "2013-03-01 16:45:33.0"
- 2 2012 "2013-02-28 18:10:48.0" "2013-03-01 15:33:13.0"
- 2 2012 "2013-03-01 15:15:54.0" "2013-03-01 16:03:28.0"
- 2 2012 "2013-03-01 15:29:49.0" "2013-03-01 16:05:44.0"
- end
- . numdate clock t1=提问时间,p(YMDhms)
- . numdate clock t2=回答时间,p(YMDhms)
- . gen min=clockdiff(t1,t2,"m")
- . gen sec= clockdiff(t1,t2,"s")-min*60
- . gen str20 time=strofreal(min)+"min"+strofreal(sec)+"s"
- list min sec time
- +-------------------------+
- | min sec time |
- |-------------------------|
- 1. | 57 21 57min21s |
- 2. | 70 43 70min43s |
- 3. | 108 0 108min0s |
- 4. | 59 38 59min38s |
- 5. | 118 55 118min55s |
- |-------------------------|
- 6. | 63 18 63min18s |
- 7. | 1276 22 1276min22s |
- 8. | 1289 34 1289min34s |
- 9. | 18 1 18min1s |
- 10. | 35 17 35min17s |
- |-------------------------|
- 11. | 44 56 44min56s |
- 12. | 19 31 19min31s |
- 13. | 80 30 80min30s |
- 14. | 1282 39 1282min39s |
- 15. | 29 21 29min21s |
- |-------------------------|
- 16. | 19 0 19min0s |
- 17. | 77 18 77min18s |
- 18. | 1282 25 1282min25s |
- 19. | 47 34 47min34s |
- 20. | 35 55 35min55s |
- +-------------------------+
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