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: Multiple Imputation
From
bobbyjootto <[email protected]>
To
"[email protected]" <[email protected]>
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 <[email protected]> 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: [email protected]
> 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/