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Short Notes on Stata (version 10) Data Functions and Stuff 1 个回复 - 1580 次查看
How Stata records dates and times
Inputting date and time data
Constructing date and time values from numerical components
Experimenting with the date and time functions
Translating ru ...2014-5-16 09:52 - 不通 - 计量经济学与统计软件