Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Creating a dummy variable under certain conditions


From   Nick Cox <[email protected]>
To   [email protected]
Subject   Re: st: Creating a dummy variable under certain conditions
Date   Mon, 4 Jun 2012 09:41:24 +0100

bysort gvkey (date) : gen cuviol = sum(viol)
by gvkey : gen myindicator = (viol == 1) & (cuviol[_n-1] ==
cuviol[_n-4]) & _n > 4

Nick

On Mon, Jun 4, 2012 at 9:22 AM, sebas nicaise <[email protected]> wrote:

> It is important that new viol dummy can only be 1 if viol is 1 and in the previous 4 quarters viol is 0.
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index