英文:
Why am I not able to do foreach loop and carryforward together?
问题
当在一个foreach var循环中包含这段代码“bysort countrycode:carryforward 'var', gen(new 'var')”时，Stata会给我一个错误消息。如何解决这个问题？
英文:
When this code "bysort countrycode:carryforward 'var', gen(new 'var')" is included in a foreach var loop, Stata gives me an error message. How to solve this?
答案1
得分: 1
以下是翻译好的部分：
"````
bysort countrycode:carryforward 'var', gen(new 'var')
应该改为
"````
bysort countrycode:carryforward `var`, gen(new`var`)
如果这不是答案，我们需要看到您使用的确切代码以及您收到的错误消息。事实上，该问题未提供最小可重现示例，如https://stackoverflow.com/help/minimal-reproducible-example所述。
英文:
There are two evident errors in the code you cite. The punctuation for referencing a local macro should be different. A new variable name may not include a space.
bysort countrycode:carryforward 'var', gen(new 'var')
should be
bysort countrycode:carryforward `var', gen(new`var')
If this isn't the answer, we need to see the exact code you used and the error message that you got. Indeed, the question falls short of a minimal reproducible example as explained at https://stackoverflow.com/help/minimal-reproducible-example
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