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| From | Nick Cox <njcoxstata@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| 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 <sebasnicaise@hotmail.com> 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/