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st: RE: FW: Imputation Commands ?


From   "Rodrigo Alfaro A." <ralfaro@bcentral.cl>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: FW: Imputation Commands ?
Date   Tue, 29 Apr 2008 12:19:09 -0400

Daniel,

You need to check: ipolate and impute for improper imputation (averaging), and ice and hotdeck for proper imputation (use findit to download them).

Rodrigo. 
 

-----Mensaje original-----
De: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] En nombre de Daniel Sepulveda-Adams
Enviado el: Martes, 29 de Abril de 2008 12:03 p.m.
Para: statalist@hsphsun2.harvard.edu
Asunto: st: FW: Imputation Commands ?

Hi Statalisters,

I'm having trouble finding the proper command to impute values in a given row of data. Hoping someone could direct me appropriately.

Consider a row of data as follows

          obs x1  x2  x3  x4 x5
          --   --  --  --  --  -- --
          1     2   4   .    5   1
          2     .   4   1    3   0
          3    1    .   .     .   1

What I want to do is to fill-in the missing values as a function of the surrounding row/variable values. I presume I want to average a given missing-value's surrounding +-3 values and impute accordingly.

What command or commands should I investigate?

Thank you for your time,

Best regards --- 

Daniel A. Sepulveda Adams
Research Scientist - PRIME Institute
College of Pharmacy - University of Minnesota
308 Harvard ST SE, Weaver Densford Hall, 7-159 Minneapolis, MN, 55455, USA
Phone: 612-624-8489
Cell Phone: 651-295-7771
Fax: 612-625-9931
Email: sepul003@umn.edu



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