Hello all,

 

I've recently been examining some data and, with the help of an expert in the field, have determined that some of our biological assays obtained invalid responses.  It is appropriate to omit these data and impute them?  If so, does this make the data MNAR?  If it can't be done, are there alternatives to simply omitting the data from analyses (as these are single instances in a before and after repeated measures)?

 

Many thanks,

 

Jason

 

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Jason C. Cole, PhD

Statistician

Department of Psychiatry and Biobehavioral Sciences

Cousins Center for Psychoneuroimmunology

300 UCLA Medical Plaza, Room 3148

Los Angeles, CA  90095-7057

Tel:   310 267 4390

FAX: 310 794 9247

E-mail: [EMAIL PROTECTED]

http://www.cousinspni.org

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