stata遇到string variable的解决方法 在Stata中,处理字符串变量的方法有很多种。下面是一些常见的方法: 1.使用generate命令创建一个新的变量,并将字符串变量转换为数值变量。例如,假设你有一个字符串变量“string_var”,你可以使用以下命令将其转换为数值变量: ```stata generate numeric_var = real(string_var) `...
st sview()make view onto string data in Stata dataset st subview()st subview()make view from view st viewvars()st viewvars()identify variables and observations st viewobs()corresponding to view Variable names&indices st varindex()st varindex()variable indices from variable names st varname...
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...
可转换为数值。也可以这样处理，先保持这个变量为字符型的变量，然后有substr的命令，提取前四位，只要年份，然后再转化为数值型，就可以计算了。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。该软件提供的功能包含线性混合模型、均衡重复反复及多项式普罗比模式。
Each cell then contains information on the given variable for that case. For example, the case in the first row is a "Male" respondent who mentioned that "Mormon" was his other religion. To close this window, click on the red "X" in the upper right-hand corner. There may be times ...
display "You selected another variable." } end 输出: 如果输入 conditional_example var1,将输出 "You selected var1."。 3.2 循环语句(foreach 和 forvalues)foreach 循环 foreach 用于遍历一个列表,例如变量名或分组值: foreach var in var1 var2 var3 { ...
However, Stata creates a variable that is the inverse of the sort variable. This is equivalent, but the overhead makes it slower thanhashsort. TODO Planned features: Things to add to gcollapse: prod geomean pos: exclude negative numbersandzero. ...
Data management: How do I split a string variable into parts? (Updated 29 August 2005) Data management: Is there a way to tell Stata to try all values of a particular variable in a foreach statement without specifying them? (Updated 25 August 2005) Statistics: How large should the ...
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,就是YM,如果是1987-01-01,那就是YMD。如果...
Then add the resulting IMR as the additional explanatory variable in the performance equation. To effectively identify the decision equation, the authors choose whether a firm is audited by overseas auditing companies (Outside) as the identification variable. The following corresponding code should be ...