format date_hired %td Every conversion function—such as clock() and date() above—requires these two arguments: 1. str specifying the string to be converted; and 2. mask specifying the order in which the date and time components appear in str. Notes: 1. You choose the conversion ...
use tostring2.dta, clear tostring date_pub,gen(date1) // 数字--》文字 1. 2. gen year = substr(date1, 1, 4) // 使用substr函数进行切割,取出前四位。从第一个字符开始,取四个字符 gen month = substr(date1, 5, 2) // 从第五个字符开始,取两个字符 gen day = substr(date1, 7, 2)...
1、Quarterly date from daily date 导入数据,查看数据 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(datev...
I want to convert to time series(quarterly), like: 2015q1 2015q2 2015q3 This is a standard conversion task. Seehelp datetimeandhelp datetime display formatsfor the detail. * Example generated by -dataex-. To install: ssc install dataex clear input str6 have "2015_1" "2015_2" "2015_3"...
请看看Stata对encode的说明:encode creates a new variable named newvar based on the string variable varname, creating, adding to, or just using (as necessary) the value label newvar or, if specified, name. Do not use encode if varname contains numbers that merely happen to be stored as ...
format:help date 查看了解 prefix:指定前缀,默认无前缀 keepnum:保留 date(varlist, format) 的数值结果,默认删除 replace:删除原来的日期序列 2. 自定义命令 * 主命令 cap program drop datedv program define datedv syntax varlist , [get(string) Format(string) PREfix(string) KEEPNUM replace] ...
Stata日期和时间处理指南说明书 in Stata Gabriela Ortiz Applied Econometrician StataCorp LLC 1
* of repeated entries per date gen id = _n * For the Stata reshape, it's also going to prove * convenient to rename the delay vars. rename (dep_delay arr_delay) (delay_dep delay_arr) reshape longreshape long delay_, i(id) j(delay_type) s ...
S456984 OUTFIXT: Stata module to write fixed-format text file by Austin Nichols S456983 BIHIST: Stata module to produce bihistograms by Austin Nichols S456982 BYHIST: Stata module to produce interlaced histograms by Austin Nichols S456981 PANELTHIN: Stata module to identify observations for pos...
Stata统计分析常用命令汇总一winsorize极端值处理范围:一般在1和99分位做极端值处理,对于小于1的数用1的值赋值,对于大于99的数用99的值赋值。1Stata中的单变量极端值处理:stata 11.0,在命令窗口输入findit