字符型转换成数值型的STATA⽅法 1、encode varname, gen (newvarname)，重新⽣成⼀个新的变量，内容与字符型的相同。2、 Convert string variables to numeric variables：destring [varlist] , {generate(newvarlist)|replace} [destring_options]字符转数值 Convert numeric variables to string variables：to...
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...
help tostring 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: : Convert string variables to numeric variables and vice versa. : 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...
Stata日期和时间处理指南说明书 in Stata Gabriela Ortiz Applied Econometrician StataCorp LLC 1
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...
*/reshape long inc,i(id)j(gender)string//string option specifies that j take on non-numeric valueslist,sepby(id)//gender 为字符型变量/* +---+ | id gender kids inc | |---| 1. | 1 f 0 5500 | 2. | 1 m 0 5000 | |---| 3. ...
max=4 numeric)表示输入变量个数最少为 1，最多为 2，且必须为数值型，numeric还可以换成string（...
Stata入门2——数据篇 2021年2月16日星期二 《计量经济学软件应用》课程讲义 1 一、数据录入 直接录入打开dta数据文件导入其它格式的数据文件其它方式 2021年2月16日星期二 《计量经济学软件应用》课程讲义 2 1直接录入 （1）直接在stata中录入（适用于小样本少变量数据）：打开程序，调用数据编辑窗口，直接录入...
destring makes converting variables from string to numeric easier. net search searches the web for user-written additions to Stata, displays information and help files for these additions and allows these additions to be installed or uninstalled with just a mouse click. This facility provides direct...
The most common cause of this error message is that you are trying to use a string variable with a command that only supports numeric variables. You can only tell the type of a variable by using the describe command. This is easy to fix. If you have a string variable and want to ...