If you are looking for a gentle introduction to Bayesian Nonparametrics, PETER MUELLER and colleagues have published one in the recent
issue of Journal of Statistical Research (
JSR - Journal of Statistical Research).
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Abdus S. Wahed, PhD
Professor and Director of PhD Graduate Program
Department of Biostatistics, Graduate School of Public Health
130 Desoto St #7136 Parran (GSPH)
University of Pittsburgh, Pittsburgh, PA 15261
http://publichealth.pitt.edu/home/directory/abdus-s-wahed------------------------------