首先,让我们来讨论gen命令。gen是Stata中最常用的命令之一,它用于创建新的变量。gen的全称是generate,它可以根据一定的条件和计算公式生成新的变量,并且可以在已有的数据集中进行操作。 1.如何使用gen命令? 要使用gen命令,首先需要打开一个数据集。可以通过使用"use"命令加载一个现有的数据集,或者使用"input"命令手动...
The general rule to apply egen is when you want to generate a newvariable that is created using a function inside Stata... 分享回复赞 stata吧 际遇海洋 修正的Jones模型分行业分年度回归stata代码gen ROA=前一年总资产收益率//分行业分年度回归egen ind=group(行业)sum indlocal Ns=r(max)gen DA=....
>> Every new variable would hold two values: new_q1_1 would hold the frequency of people in group "a" who answered "1" and the frequency of people in group "b" who answered "1". >> >> * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www....
To <statalist@hsphsun2.harvard.edu> Subject st: string values in a gen command Date Tue, 05 Aug 2003 14:57:41 -0400Hello - I am having a simple problem. I am trying to create a string variable based upon a number of conditions. The gist of the code is this: gen newvar = . ...
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> > > > > > > I've converted a string date (yyyymmdd) to Stata > > > format, using: > > > > > > > > > > > > > > . * convert datedx to Stata format > > > > > > > . tostring datedx, replace > > > > > > > datedx was double now str8 ...
Stata generates new values for a_n. But using the browser I see that variable a_n doesn't have any values. What's wrong? Thanks, Fabian -- Psssst! Schon vom neuen GMX MultiMessenger geh�rt? Der kann`s mit allen: http://www.gmx.net/de/go/multimessenger * * For searches and ...
dear listers, i am trying to understand one of the do-files application for stata. one of the lines read: qui by study: gen last=_n==_N my understanding so far: this is quietly, sort according to study, and as a result, to generate a variable last fulfilling this condition _n==...
To statalist@hsphsun2.harvard.edu Subject st: gen x = _n Date Fri, 17 Feb 2006 18:25:25 -0500Dear All, I have two variables as listed below type and adjct. However, I would like to create the variable x. Can anyone assist? type adjct x 0 50 1 1 650 1 0 80 2 1 600 2...
Presented at the Spanish STATA Meeting, Madrid, Spain, 22 October 2015. [Google Scholar] Bradley, J.V. Robustness? Br. J. Math. Stat. Psychol. 1978, 31, 144–152. [Google Scholar] [CrossRef] Henseler, J.; Ringle, C.M.; Sarstedt, M. A New Criterion for Assessing Discriminant ...