datetime/c and datetime/C Determining when leap seconds occurred The date() function The other conversion functions Introduction The conversion functions are used to convert string dates, such as 08/12/06, 12-8-2006, 12 Aug 06, 12aug2006 14:23, and 12 aug06 2:23 pm, to Stata dates. ...
Stata日期和时间处理指南说明书 in Stata Gabriela Ortiz Applied Econometrician StataCorp LLC 1
destring String,gen(Str2Num)tostring Number,gen(Num2Str) 初学者总是容易将destring和encode混淆,其实两者的用途是有区别的: destring: Convert string variables to numeric variables and vice versa. encode: Encode string into numeric and vice versa. encode主要用于将数据进行编码、分组,将连续性变量转换成分组...
To convert the above date variable to an elapsed date format, you must first convert the numeric variable to a string and then use thedate()function. For example, . tostring datevar, replace format(%20.0f)datevar was long now str8. replace datevar = "0" + datevar if length(datevar)...
EN1. Flutter中的日期转换 // 初始化当前日期 DateTime _nowDate = DateTime.now(); // 获取当前...
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 ...
. . . Convert count-time data to survival-time data [ST] ltable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Life tables for survival data [ST] snapspan . . . . . . . . . . . . . . . . . ...
String variables How can I quickly convert many string variables to numeric variables? How can I turn a string variable containing dates into a date variable Stata can recognize? How can I extract a portion of a string variable using regular expressions? Error messages How can I handle the mat...
Stata数据管理—数据管理命令简介说明书 Title stata.com Data management—Introduction to data management commands Description References Also see Description This manual,called[D],documents Stata’s data management features.See Mitchell(2020)for additional information and examples on data management in Stata....
when I load the data through ODBC, my previous string dates are imported as doubles with the format %tc and look like this: 15oct1999 00:00:00 When I try to convert to %td the above date looks like this: 1.26e+12 I thought that if I converted the date to a string variable using...