week根据日期格式的数据生成该日期对应第几周,那么2024/1/19经week函数计算得到3。 但是仔细查看函数的帮助发现,stata对周的计算不符合我们一般的认知。 week(e_d) Description: the numeric week of the year corresponding to date e_d, the %td encoded date (days since 01jan1960) Note: The first week...
Convert dates and datetimes in string form to numeric form with great flexibility, including support for any order of year, month, day, hour, minute, second, and millisecond Extract day, day of week, week of year, month, quarter, half-year, or year from specified date Extract hour, minut...
gen month = month(datevar)gen day=day(datevar)gen year=year(datevar)gen monthly = ym(year,month)formatmonthly%tm 结果为: 2 From daily to weekly and getting yearly gen datevar = date(date2, "MDY", 2099)format datevar %tdgen year= year(datevar)gen w = week(datevar)gen weekly = ...
gen datevar = date(date2, "MDY", 2099)format datevar %tdgen year= year(datevar)gen w = week(datevar)gen weekly = yw(year,w)format weekly %tw browse 结果为: From daily to yearly genyear1 = year(datevar) From quarterly to yearly gen year2 = yofd(...
week | 83 23.6988 13.65314 1 52 date | 83 3164 24.10394 3123 3205 cases | 83 469.146 434.9541 .014 1777.634 deaths | 83 7.61659 6.28273 0 25.212 +---+ | year week date cases deaths | |---| 1. | 2020 4 2020w4 .014 0 | 2. | 2020...
方法二:利用split()函数,在"年”"月"处分开,变成year和month,然后利用日期合成函数进行合成。 方法三:利用substr()函数分别提取前对应的年和月,然后利用日期合成函数 方法四:修改数据原始文件中,修改显示格式,然后重新读取。 方法五:直接正则表达式函数,进行提取或者替换。
Stata日期和时间处理指南说明书 in Stata Gabriela Ortiz Applied Econometrician StataCorp LLC 1
by year week:gen mret_week=sum(mret)by year week:keepif_n==_N keep year week mret_week sort year week save market_ret_week,replace use stock_ret,clear postfile syn str7 code year syn using 同步性,replacee(1)levelsof code,local(CODE)foreach stkcdoflocalCODE{use stock_ret,clear ...
Final week of every month Australia 5-day Logistic regression Masterclass, Melbourne Course instructor: Prof. Stanley Lemeshow, Ph.D. Course organizer:Institute for Health Transformation, Deakin University 24–28 February 2025 Bangladesh Stata For Statistics & Data Analysis (Language: Bengali), online...
 riqi,1=#$year.$month.$day riqi,2=#$year年$month月$day日星期$weekday 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18....