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 = ...
use date.dtadesced 可以发现Date2 is a string date variable 然后进行转换 gen datevar=date(date2,"MDY", 2099)format datevar %tdgen quarterly = qofd(datevar)format quarterly %tq 2、Quarterly date from monthly date gen month = month(datevar)gen day=day(dateva...
这里需要注意,载入日期数据后,需要按照排列规则进行设定,这里即为 “year, month, day (YMD)”和“month, day, year (MDY)”。 generate admit = date(admit_d, "YMD") //20110625 - YMD generate dob = date(dateofbirth, "MDY") //May152001 - MDY /*注:It does not matter whether the month i...
Stata日期和时间处理指南说明书 in Stata Gabriela Ortiz Applied Econometrician StataCorp LLC 1
基于此数值,可以进一步将其设定为我们需要的日期格式。这里需要注意,载入日期数据后,需要按照排列规则进行设定,这里即为 “year, month, day (YMD)”和“month, day, year (MDY)”。 代码语言:javascript 复制 generate admit=date(admit_d,"YMD")//20110625 - YMDgenerate dob=date(dateofbirth,"MDY")//...
hh%ty年%tyCY1 1)使用)使用 tssettsset 命令指定显示格式命令指定显示格式 use B6_tsset.dta, clear tsset t, daily list use B6_tsset.dta, clear tsset t, weekly list 2)2)指定起始时点指定起始时点 cap drop month generate month = 7、m(1990-1) + _n - 1 format month %tm list t month ...
gen datevar = mdy(year, month, day) //这里要求year/month/day,都是数值型的变量 17 滚动计算统计指标(mean、sd和sum等) rolling asrol rangestat 18 滚动回归 rolling rolling2 rollreg asreg 19. 大数据导入 Stata对单个Excel的文件大小有限制——不超过40M,若超过40M则需要开启下面这个选项: set excel...
12、ay, year)l format fye %dl list yearend fye in 1/10(5) 将一个数值型的时间数据(20080131)转变为ST可识别的时间数据l gen year=int(date/10000)l gen month=int(date-year*10000)/100)l gen day=date-year*10000-month*100l list date year month day in 1/10l gen edate=mdy(month, day...
date3, gen(date3a) gen datevar=date(date3a,"YMD") format datevar %td /*For daily data*/ ---STATA 9.x: tostring date3, gen(date3a) gen year=substr(date3a,1,4) gen month=substr(date3a,5,2) gen day=substr(date3a,7,2) destring year month day, replace gen datevar1 = mdy(...
or just the maximum function (seefunctionsfor more functions) withgenerate . gen lastdate = max(date variables separated by commas) Therowmax()function is the same asrmax()in Stata 8. In terms of the result, the choice here is immaterial. Occasionally, when using themax()function, spelling...