stata中出现country is a string variable的原因：数据输入格式的问题可能是数据输入格式的问题，你可以手动输入几个数据试试，不要直接导入或者从excel上粘贴。Stata 是一套提供其使用者数据分析、数据管理以及绘制专业图表的完整及整合性统计软件。它拥有很多功能，包含线性混合模型、均衡重复反复及多项式普罗...
string variables not allowed in varlist; time is a string variable 因此我们如果要在Stata中处理时间变量,第一件事就是要把文本格式的时间,转换成Stata可以识别的格式。转换的命令叫做date,其格式是: date(s1,s2),其中s1是文本格式的时间变量,s2是文本格式时间的年月日的排列次序 比如说,例子中的1987-01,就...
Access to the path 'C:\' is denied. access to the port com1 is denied c# Access to the registry key 'HKEY_CLASSES_ROOT\name of the class' is denied. access variable from another function Access Variables in Different Projects in a Solution Accessibility of parent's class fields fro...
帮忙解答一道题If name is a string variable, what is the output of the following code? name = "Marian"; cout << "Name: " << name.substr(1, 3) + "sta"; a. Name: Marsta b. Name: arista c. Name: ista d. Name: rsta e. Name: Mar+sta 相关知识点: 试题来源: 解析 b. Name:...
This string of code is very long, but I have broken it into 2 sections. The top section shows the variable (dda), which is the first component in a chain of many calculations, and which eventually affects the value for (nba) way down at ...
string var..string variables not allowed in varlist;month is a string variable设置面板数据的时候出现的,应该怎么调整month数据才行?
Is there a way to declare the enum so that I don't need to do an (int) cast in the if() statement? All replies (6) Friday, December 4, 2015 2:05 AM ✅Answered You have declare an enum and an integer, you need same datatype when comparing values in if(). ...
5.滞后命令后time variable not setr(111); . xtset id 会计期间 string variables not allowed in varlist; id is a string variable r(109); 变量属性 egen iid=group(id) egen year=group( 会计期间 ) xtset iid year 时间变量中有重复 duplicates drop id year, force 6.差分gen DLX=DL.x前先sort...
There is more to learn in this space but we hope we have whetted your appetite about strings and string variables. If you liked this blogpost, checkout our blogpost on integers. Join our mailing list SUBSCRIBE Subscribe to get updates about our classes, camps, coupons, and more.About...
Yes. In fairly old versions of MATLAB around R12 there was a datatype named string that was removed from MATLAB. I no longer recall what it used to do. 댓글 수: 0 댓글을 달려면 로그인하십시오. 추가 답변 (0개) ...