[R] multiple imputation

From: DOCMAA <morris.anglin_at_nuth.nhs.uk>
Date: Wed, 20 Apr 2011 13:46:53 -0700 (PDT)


I have missing values from a few subjects due to instrumentation not working. My data set is N=283 data points. For some subjects i have 60 data points missing max.

I tried to use Amelia 2 to impute the missing values but i am getting a negative number and i am sure this is wrong because its biologically implausible to have a negative number for what i am measuring.

Does anyone have any suggestions on how to proceed?

Thanks.

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