Observations removed because of missi... PreviousNext
Mplus Discussion > Missing Data Modeling >
 Trine Pedersen posted on Tuesday, July 05, 2011 - 7:18 am
We have replaced all of our missing values (regardless of type) with the number 999. In our code we write:


It seems like Mplus is now deleting ALL data of the respondents who somewhere in the line of questions has a missing value. This reduces our number of respondents/observations to a very small number. How can we remove ONLY the missing values, so that the respondents answers on all other questions are kept for the analysis?

Trine & Helene
 Linda K. Muthen posted on Tuesday, July 05, 2011 - 7:50 am
If you are using a current version of Mplus, the default is to use all obserations. In older versions, the default was listwise deletion. You can add TYPE=MISSING; to the ANALYSIS command if you are using an older version. If this does not help, send your output and license number to support@statmodel.com.
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