下载包:ssc install mdesc, replace 或然语句(非常好用) cap,放在其他语句之前,若报错则不执行 导入文件 导入自带数据集 sysuse auto, clear 导入自己的数据集(.dta可省略) use data.dta, clear 从.xlsx或.xls导入数据集(firstrow表示将第一行作为变量名) import excel "文件名.xlsx", sheet("工作表1")...
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...
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...
1999 09 00 .destring date, replace //想把 date 转换成数值型,但失败了,系统提示说 *date contains non-numeric characters; no replace /* 由于含有非数值型字符 (即空格),因此没有更新,也即转换命令没有执行。*/ .destring date, replace ignore(“”) /* 忽略空格,然后转换,注意这里的” “中 间有...