local sub "world" if regexm("`str'", "`sub'") { display "The string contains the substring." } else { display "The string does not contain the substring." } 使用strpos函数: strpos函数返回子字符串在目标字符串中的起始位置(如果找到)。如果未找到子字符串,则返回0。 示例代码: stata ...
聚焦境外客户 use2022年客户信息_去掉模糊信息,cleargArea=""orderNA*capprdropAprdefAsyntax[,a(string)n(string)*]replaceA="`a'"ifregexm(N,"`n'")end*foreachiin香港日本印度西班牙肯尼亚法国泰国越南俄罗斯科威特美国瑞士韩国加拿大捷克德国{A,a(`i') n(`i')}*A,a(香港)n(H.K.)A,a(加纳)n(Gha...
keys(varname):stubnames 的子集变量名 (等价于 j()) (不存在); string:是否允许将观测值为字符型的 key 与 stub 进行匹配 (见示例); match(str):和 @ 的用法一致 (默认通过占位符 @ 的使用来限定数值在变量名中的位置); dropmiss:删除通过横纵变换后变量的缺失值; nodupcheck:允许重复值存在。 optio...
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 s...
strLs can hold binary strings. A binary string is, technically speaking, any string that contains binary 0. Here is a silly example: .webuse auto, clear(1978 Automobile Data) .replace make = "a" + char(0) + "b" in 1(make was str18 now strL) (1 real change made) .list make in...
If the string contains spaces, you must enclose it in quotes wherever it is used. Intro 2 — A tour of concepts and commands 12 So to be more truthful, the collection looks more like === Collection === value tags --- --- 78.15 sex[1] region[1] result[mean] 78.25 sex[1] region...
问在Stata文件列表中重命名和创建变量EN关于文件列表的管理：filelist(SSC)非常好；另一种方法请参见fs(...
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 ...
contains the value of pi to machine precision. 4.3. 排序(sort) 代码语言:javascript 代码运行次数:0 运行 AI代码解释 sort varlist[in][,stable] sort arranges the observations of the current data into ascending order based on the values of the variables in varlist. There is no limit to the ...
*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...