Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
| From | bobbyjootto <bobbyjootto@gmail.com> |
| To | "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |
| Subject | Re: st: Multiple Imputation |
| Date | Thu, 15 Aug 2013 15:17:49 -0400 |
Thank you. I will see if that works. Sent from my iPhone On Aug 15, 2013, at 4:01 PM, Richard Williams <richardwilliams.ndu@gmail.com> wrote: > I suspect you want to use the -mi import flong- command. See the help. I also suspect you don't want to delete the original cases. > > At 01:53 PM 8/15/2013, Bobby Jo otto wrote: >> Hello, >> >> I have a question regarding multiple imputation. I conducted multiple imputation in SPSS and then transferred the data back to Stata. After the imputation, my n=88,800, which includes the original data set plus the 5 imputations. When I delete the original values (drop in 1/14,800) I'm left with a sample size of 74,000. >> >> My problem however, is that when I set Stata to recognize that my data is imputed (mi set flong; mi set M=5), it multiplies 74,000 by 6 which then gives me a sample size of 444,000 (each imputed data set is multiplied by 6). Thus, each specific respondent has data 30 different times. >> >> Example of data set: (up to 30) >> >> imputation_ aid >> 1 111111 >> 1 111111 >> 5 111111 >> 4 111111 >> 4 111111 >> 3 111111 >> 4 111111 >> 1 111111 >> 2 111111 >> >> >> >> Can anyone tell me exactly what I am doing wrong? >> >> Thanks in advance! >> * >> * For searches and help try: >> * http://www.stata.com/help.cgi?search >> * http://www.stata.com/support/faqs/resources/statalist-faq/ >> * http://www.ats.ucla.edu/stat/stata/ > > ------------------------------------------- > Richard Williams, Notre Dame Dept of Sociology > OFFICE: (574)631-6668, (574)631-6463 > HOME: (574)289-5227 > EMAIL: Richard.A.Williams.5@ND.Edu > WWW: http://www.nd.edu/~rwilliam > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/