Friday, February 24, 2006

Re: st: simple way to create missing data that is "missing at random" from a small datset

Thank you for the stata command syntax - I will try this. Best, Suzy

Maarten buis wrote:

>Suzy: >Something like this: >*--------begin example---------- >sysuse auto, clear >gen p = invlogit(.1*mpg + rep78 -8) >sum p >hist p >replace price = . if uniform() < p >*-----------end example----------- >HTH, >Maarten > >--- Suzy <scott_788@wowway.com> wrote: > > > >>I would like to know if Stata has a nifty way of allowing the user to >>purposely delete a proportion of data (from specified variables) so that >>the missingness of the data meets the missing at random (MAR) >>assumption. I generated a small, complete dataset and would like to >>work through some multiple imputation procedures/formulas manually. >> >>Thank you, >>Suzy >> >> >> >>* >>* 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/ >> >> >> > > >----------------------------------------- >between 1/2/2006 and 31/3/2006 I will be >visiting the UCLA, during this time the >best way to reach me is by email > >Maarten L. Buis >Department of Social Research Methodology >Vrije Universiteit Amsterdam >Boelelaan 1081 >1081 HV Amsterdam >The Netherlands > >visiting adress: >Buitenveldertselaan 3 (Metropolitan), room Z214 > >+31 20 5986715 > >http://home.fsw.vu.nl/m.buis/ >----------------------------------------- > > > >___________________________________________________________ >To help you stay safe and secure online, we've developed the all new Yahoo! Security Centre. http://uk.security.yahoo.com >* >* 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/ > > > > >

* * 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/


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