Hi Pantelis Z. Hadjipantelis,
Many thanks for your suggestion and is one such possibilities.
However, my data contain some missing values at random so I am also considering R2MLwiN.
Have a happy weekend 
Cheers.
 
Kind regards.
 
Justice Moses K. Aheto. 
PhD Candidate in Medicine (United Kingdom)
MSc Medical Statistics (United Kingdom)
BSc Statistics (Ghana)
HND Statistics (Ghana)

(Chief Executive Officer)
Statistics & Analytics Consultancy Services Ltd.
E-mail: justiceaheto@yahoo.com
Mobile:0044(0)7417589148 (United Kingdom)
             00233(0)509914602 (Ghana)
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