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[Questions] 数据代码的意思
Comment Time: 2017/3/18 19:53:11 |
Recent Response Time: 2017/3/26 20:37:27 |
Read Times: 1620 |
Following: 2
Author: zhuyuan | Tags/Keywords: 数据代码 下载的数据中有些行的数据用“.”或 “-1”代替,请问它们分别是什么意思?是没有访问数据缺失吗?
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[Post ID: 500] (Reply to the Post 499 ) 回复问题
Reply Time: 2017/3/19 23:20:48 | Recent Update Time: 2017/3/26 20:37:27 | Author: struggle12 | Tags/Keywords: 回复 一般地,-2表示不适用;-1表示不知道。空缺的含义需要根据其他变量的信息进行综合判断,多数是不适用。
[Post ID: 507] (Reply to the Post 500 ) 谢谢
Reply Time: 2017/3/26 20:37:27 | Recent Update Time: 2017/3/26 20:37:27 | Author: zhuyuan | Tags/Keywords: 十分谢谢! |
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© 版权所有:收入分配研究团队 2012-2024 京ICP备12037474号-1
地址:北京市海淀区新街口外大街19号 邮编:100875
Copyright © 2012-2024 Research Team of Income Distribution. All Rights Reserved
Address: 4th Floor of Jing-shi-xue-tang and Room 9504 of Jingshi Hotel, Beijing Normal University, No. 19 Xinjiekouwai Street, Haidian District, Beijing, 100875.