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st: RE: FW: Imputation Commands ?


From   "Rodrigo Alfaro A." <[email protected]>
To   <[email protected]>
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: [email protected] [mailto:[email protected]] En nombre de Daniel Sepulveda-Adams
Enviado el: Martes, 29 de Abril de 2008 12:03 p.m.
Para: [email protected]
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: [email protected]



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