在Stata中,我们可以使用单个条件语句进行数据筛选和处理。例如,我们可以选取某一年龄段的用户,代码如下: if age>=18 & age<=50 其中,“&”表示“and”的意思,可以用来连接多个条件语句。如果要选择年龄小于18岁或大于50岁的用户,则可以使用“|”表示“or”: ...
anow of your powers to run and climb as long as you can get me to[translate] aStrive to make your dreams come true 为了体会梦想奋斗[translate] avietato utilizzare un autoveicolo sulle strade pubbliche quando la carta di circolazione è intestata a persona diversa dal conducente 禁止使用一辆...
a关于中美两国之间经营性道路运输问题的比较 About China and America between managerial path transportation question comparison [translate] aconstata-se uma descoordenação operacional ao nível das responsabilidades das entidades inervenientes ao nĺvel do fornecimento de material electrónico,...
Dear all, Stata 8.2, I wanted to do this: edit if plannedsx!="" & modalit=="" i.e. i wanted to edit those where plannedsx are not missing but where modality are missing and received this message: type mismatch r(109); The variables descriptions are: storage display value variable ...
* For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/Follow-Ups: Re: st: list (if) (in) From: "Vladimir Vakhitov" <vvakhitov@gmail.com> Re: st: list (if)...
aStrada è stata in 路[translate] athere are more and more students attending classes late in your ciass.suggest possible ways to solve this problem 越来越有晚了上类用您的ciass.suggest可能的方式的学生解决这个问题[translate] aone could read trouble on his face. 你在他的面孔能读麻烦。[translat...
My friend has been struggling with the rules and how to choose words to use the polite "o" before, as well as situations in which to use honorific and humble language.I would be very grateful if you could help.AI_monga 18 giu こんにちは!日本語の敬語を学ぶための参考になる本やサ...
Joint Analysis in Solving a Truss Problem: Joint analysis or method of joint is one of the methods that can be used when solving a truss problem. This is done by first drawing the FBD of the entire truss assembly and solving for the reactions at the support. After d...
Quando è stata creata l'analisi what-if. Tipo: Timestamp EstimatedTimeRemainingInMinutes Il tempo approssimativo rimanente per completare l'analisi what-if, in minuti. Tipo: long ForecastArn L'Amazon Resource Name (ARN) della previsione what-if. Tipo: stringa Limitazioni di lunghezza: ...
foreach i in "AK" "AL" "AR" "AZ" { if (state_nsw=="`i'" & year==2012) { local val_`i'=income} } I also tried using this method and this: if (state_nsw=="`i'" ... ... // and got invalid name r(198) Where is my mistake? if-statement local stata Share Improv...