cd C:\Download *** cap pr drop A pr def A syntax [, a(string) n(string) *] replace code3 = "`a'" if C == "`n'" end * use ini_holder_detail_combined_QFII, clear merge m:1 ShareHolderName using QFII_countries, nogen keep(3) keep Stkcd year ShareHolderID ShareHolderName Hol...
我从Excel表中将年龄数据粘贴到了stata中,不只为什么显示为红色字(即为字符型),我使用destring a103,replace的命令,结果显示a103 contains nonnumeric characters; no replace,然后仍然还是字符型的,我应该怎么办才能转化为数值型 试一下encode varname, gen (newvarname)。varname是字符型变量,newvarname没问题的话...
ssc install medsem,replace 命令medsem是专门用于sem命令之后计算中介效应的。 语法格式为: medsem - Mediation analysis using structural equation modelling medsem, indep(varname) med(varname) dep(varname) [mcreps(number) stand zlc rit rid] 选项含义为: indep(varname)代表解释变量(X); med(varname...
2.Mergeis for adding new variables from a second dataset to existing observations. You use merge, for instance, when combining hospital patient and discharge datasets. If you wish to add new observations to existing variables, then see [D] append. You use append, for instance, when adding cu...
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 ...
In this Data Editor example, you can see that the command to change a value is -replace-. If you had entered this full command into the Command window and pressed Enter, the same change would have been made. At times, it may be helpful to perform an operation for the first time ...
*Syntax语言 capture program drop myprog program myprog version 15 syntax varlist [if] [in][,adjust(real 1) title(string)] display "varlist contains |varlist'|" display " if contains |if'|" display " in contains |in'|" display "adjust contains |adjust'|" display "title contains |`tit...
for num 1/10: generate str1 SX = "" \ replace SX = string() Even if the result is legal, it is unlikely to be what you want. In short, the names of local macros are substituted by their contents once and once only, before the command line in question is checked. This applies ...
. replace nprice=nprice-10 /*命令 replace 则直接改变原变量的赋值, nprice 调减后与 price 变量取值相等*/ . list price nprice //再比较一下两个变量,相等。 2.6 条件表达式 if exp [by varlist:] command [varlist] [=exp] [if exp] [in range] [weight] [, options] 例:若只想查看国产车...
ustrupper()Convert Unicode string to uppercase, lowercase, or titlecase subinstr()Substitute text usubinstr()Replace Unicode substring sublowertriangle()Return a matrix with zeros above a diagonal _substr()Substitute into string _usubstr()Substitute into Unicode string ...